中国石化集团重庆川维化工有限公司ZM32260305询比采购预成交公示

惠州市大亚湾华德石化有限公司华德石化首站防爆穿线盒、活接头、挠线管物资采购预案询比采购预成交公示

中国石油化工股份有限公司天津分公司SCXQ原油储运部2603-03王丽娜009询比采购预成交公示

招标公告

BQ32-01/BQ32-04/BQ30-04三个地块弱电智能化打捆项目(第二次)招标公告[招标/资审公告]

机电仪车间生产备件采购-公告

内蒙古恒业成有机硅+五金-公告

BQ32-01/BQ32-04/BQ30-04三个地块弱电智能化打捆项目(第二次)招标公告

BQ32-01/BQ32-04/BQ30-04三个地块弱电智能化打捆项目(第二次)项目信息

【谈判采购】中化蓝星安迪苏泉州15万吨/年固体蛋氨酸项目防爆穿线盒等物资框架协议/F552-PS202602270308采购结果公示[交易结果公示]

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中石化南京工程有限公司南京工程公司广州广石化污水汽提系统优化改造EPC总承包项目-安装分公司低压电器元件及附件等询比采购预成交公示

中国石化集团重庆川维化工有限公司wj2603005 防爆密封接头等谈判采购预成交公示

新疆金川热电-电器类（防爆轴流风机、亚明防爆照明灯、防爆墙壁开关、防爆穿线盒D型-右通、防爆饶性管）公告

内蒙古恒业成有机硅+五金-公告

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【浙能阿电2026年3月电气仪控备品备件采购寻源（一）】结果公告

蒙维设备部安全整改冷压接线端子 镀锌线鼻子 黄绿双色接地线 镀锌桥架盖板 防爆挠性管采购公告(内蒙古蒙维科技有限公司)

蒙维设备部安全整改冷压接线端子镀锌线鼻子黄绿双色接地线镀锌桥架盖板防爆挠性管采购公告(内蒙古蒙维科技有限公司)[{unit}]

【浙能阿电2026年3月电气仪控备品备件采购寻源（一）】结果公告

32-PGM1-2603-5319364781 5319410779弯通穿线盒采购公告

XMXQ各作业部2603-03王丽娜010郭小千中石化（天津）石油化工有限公司防爆穿线盒\后盖弯通-G3/4"-铸钢/Ex eb ⅡC Gb/Ex tb ⅢC Db-IP66-WF2防爆接线盒\三通平-G1-1/4-铸铝/Ex db IIBT6 Gb/Ex tb ⅢC T80℃ Db-IP65-WF2防爆接线盒\直角二通平-G3/4"-铸铝/Ex db IIBT6 Gb/Ex tb ⅢC T80℃ Db-IP65-WF2防爆接线盒\三通平-G3/4"-铸铝/Ex db IIBT6 Gb/Ex tb ⅢC T80℃ Db-IP65-WF2防爆挠性管\20-700-NPT1/2外-G3/4 内-304/Ex dbⅡC Gb/Ex ta ⅢC Da-IP66-WF2防爆挠性管\40-700-M40×1.5外-G1-1/2内-304/Ex dbⅡC Gb/Ex ta ⅢC Da-IP66-WF2防爆挠性管\40-700-M40×1.5外-G1-1/2内-304/Ex dbⅡC Gb/Ex ta ⅢC Da-IP66-WF2防爆挠性管\25-700-M25×1.5外-G1内-Ⅲ(不锈钢网)/Ex dbⅡC Gb/Ex ta ⅢC Da-IP66-WF2防爆挠性管\32-700-M32×1.5外-G1-1/4内-304/Ex dbⅡC Gb/Ex ta ⅢC Da-IP66-WF2防爆挠性管\50-700-M50×1.5外-G2内-Ⅲ(不锈钢网)/Ex dbⅡC Gb/Ex ta ⅢC Da-IP66-WF2护口及锁紧螺母\G3/4-碳钢-Ex eb ⅡC Gb/Ex ta ⅢC Da/IP66/WF2护口及锁紧螺母\G1-1/4-碳钢-Ex eb ⅡC Gb/Ex ta ⅢC Da/IP66/WF2防爆活接头\直通-G1-1/4(内)-G1-1/4(内)-碳钢/Ex eb ⅡC Gb/Ex ta ⅢC Da-IP66-WF2防爆变径接头\直通-G3/4内-G1-1/4外-碳钢/Ex eb ⅡC Gb/Ex ta ⅢC Da-IP66-WF2防爆挠性管\20-700-G3/4外-G3/4 内-304/Ex dbⅡC Gb/Ex ta ⅢC Da-IP66-WF2防爆挠性管\25-1000-M25×1.5(M)-M25×1.5内-304/Ex dbⅡC Gb/Ex ta ⅢC Da-IP66-WF2防爆穿线盒\三通-G3/4"-铸钢/Ex eb ⅡC Gb/Ex tb ⅢC Db-IP66-WF2防爆穿线盒\后盖弯通-G3/4"-铸钢/Ex eb ⅡC Gb/Ex tb ⅢC Db-IP66-WF2防爆穿线盒\直通-G3/4"-铸钢/Ex eb ⅡC Gb/Ex tb ⅢC Db-IP66-WF2防爆电缆夹紧密封接头\直通-1/2NPT(外)-1/2NPT(内)-316/Ex db ⅡC Gb/Ex ta ⅢC Da-IP66-WF2防爆电缆夹紧密封接头\直通-3/4NPT(外)-3/4NPT(内)-316/Ex db ⅡC Gb/Ex ta ⅢC Da-IP66-WF2防爆挠性管\20-1000-1/2"NPT外-G3/4 内-316/Ex dbⅡC Gb/Ex ta ⅢC Da-IP66-WF2防爆挠性管\20-1000-3/4"NPT外-G3/4 内-316/Ex dbⅡC Gb/Ex ta ⅢC Da-IP66-WF2铝合金防爆接线箱\20端子(10A)-6进6出-3×M40×1.5+3×M50×1.5-3×M40×1.5+3×M50×1.5/下进下出-ExdbⅡCT4 Gb-IP66-WF2护口及锁紧螺母\G3/4-碳钢-Ex eb ⅡC Gb/Ex ta ⅢC Da/IP66/WF2挂式防爆操作柱\10A-K1-ExdbebⅡCT6Gb/ExtbⅢCT80℃Db IP66 WF2 工程塑料 不锈钢防雨罩,配格兰防爆接线盒\三通平-G1-铸铝/Ex db ⅡCT6 Gb/Ex tb ⅢC T80℃ Db-IP66-WF2防爆接线盒\四通平-G1-铸铝/Ex db ⅡCT6 Gb/Ex tb ⅢC T80℃ Db-IP66-WF2防爆穿线盒\直通-G1-1/4-铸铝/Ex eb ⅡC Gb/Ex tb ⅢC Db-IP66-WF2防爆穿线盒\三通-G1-1/4-铸钢/Ex eb ⅡC Gb/Ex tb ⅢC Db-IP66-WF2防爆接线盒\直角二通平-G1-铸铝/Ex db IIBT6 Gb/Ex tb ⅢC T80℃ Db-IP65-WF2防爆活接头\直通-G3/4"(内)/G3/4"(内)-碳钢/Ex eb ⅡC Gb/Ex ta ⅢC Da-IP66-WF2防爆电缆夹紧密封接头\直通-G3/4"(内)-G3/4"(外)-黄铜/Ex eb ⅡC Gb/Ex ta ⅢC Da-IP66-WF2防爆变径接头\直通-G1(内)-G3/4(外)-碳钢/Ex eb ⅡC Gb/Ex ta ⅢC Da-IP66-WF2防爆电缆夹紧密封接头\直通-G3/4外-304/Ex eb ⅡC Gb/Ex ta ⅢC Da-IP66-WF2防爆活接头\直通-G3/4外-G1内-碳钢/Ex eb ⅡC Gb/Ex ta ⅢC Da-IP66-WF2防爆活接头\直通-G3/4(内)-G1(内)-碳钢/Ex eb ⅡC Gb/Ex ta ⅢC Da-IP66-WF2防爆挠性管\20-700-G3/4内-G3/4内-304/Ex dbⅡC Gb/Ex ta ⅢC Da-IP66-WF2防爆穿线盒\直通-G1-1/4-铸钢/Ex eb ⅡC Gb/Ex tb ⅢC Db-IP66-WF2防爆穿线盒\后盖弯通-G1-1/4-铸铝/Ex eb ⅡC Gb/Ex tb ⅢC Db-IP66-WF2防爆穿线盒\三通-G3/4"-铸钢/Ex eb ⅡC Gb/Ex tb ⅢC Db-IP66-WF2防爆穿线盒\后盖弯通-G1-1/4-铸钢/Ex eb ⅡC Gb/Ex tb ⅢC Db-IP66-WF2防爆穿线盒\直通-G3/4"-铸钢/Ex eb ⅡC Gb/Ex tb ⅢC Db-IP66-WF2防爆电缆夹紧密封接头\直通-1/2NPT内-1/2NPT外-黄铜/Ex db ⅡC Gb/Ex ta ⅢC Da-IP66-WF2防爆活接头\直通-G1-1/4(内)-G1-1/4(内)-不锈钢/Ex eb ⅡC Gb/Ex ta ⅢC Da-IP66-WF2

XMXQ各作业部2603-03王丽娜010郭小千采购公告

SCXQ原油储运部2603-03王丽娜009郭小千中国石油化工股份有限公司天津分公司防爆穿线盒\直角-G1-铸钢/Ex eb ⅡC Gb/Ex tb ⅢC Db-IP66-WF2防爆穿线盒\直角-G1-1/2-铸钢/Ex eb ⅡC Gb/Ex tb ⅢC Db-IP66-WF2防爆穿线盒\直角-G1-1/2-铸钢/Ex eb ⅡC Gb/Ex tb ⅢC Db-IP66-WF2防爆活接头\直通-G1-1/2(内)-G1-1/2(外)-不锈钢/Ex eb ⅡC Gb/Ex ta ⅢC Da-IP66-WF2防爆活接头\直通-G1-1/2(内)-G1-1/2(外)-不锈钢/Ex eb ⅡC Gb/Ex ta ⅢC Da-IP66-WF2防爆活接头\直通-G1-1/2(内)-G1-1/2(外)-不锈钢/Ex eb ⅡC Gb/Ex ta ⅢC Da-IP66-WF2防爆活接头\直通-G1双内-不锈钢/Ex eb ⅡC Gb/Ex ta ⅢC Da-IP66-WF2防爆活接头\直通-G1双内-不锈钢/Ex eb ⅡC Gb/Ex ta ⅢC Da-IP66-WF2防爆活接头\直通-G1双内-不锈钢/Ex eb ⅡC Gb/Ex ta ⅢC Da-IP66-WF2防爆螺纹堵头\直堵-G1/2-不锈钢/Ex eb ⅡC Gb/Ex ta ⅢC Da-IP66-WF2防爆螺纹堵头\直堵-G1/2-不锈钢/Ex eb ⅡC Gb/Ex ta ⅢC Da-IP66-WF2防爆螺纹堵头\直堵-G1/2-不锈钢/Ex eb ⅡC Gb/Ex ta ⅢC Da-IP66-WF2防爆螺纹堵头\直堵-G1-1/4-不锈钢/Ex eb ⅡC Gb/Ex ta ⅢC Da-IP66-WF2防爆螺纹堵头\直堵-G1-1/4-不锈钢/Ex eb ⅡC Gb/Ex ta ⅢC Da-IP66-WF2防爆螺纹堵头\直堵-G1-1/4-不锈钢/Ex eb ⅡC Gb/Ex ta ⅢC Da-IP66-WF2防爆螺纹堵头\直堵-G1-不锈钢/Ex eb ⅡC Gb/Ex ta ⅢC Da-IP66-WF2防爆螺纹堵头\直堵-G1-不锈钢/Ex eb ⅡC Gb/Ex ta ⅢC Da-IP66-WF2防爆螺纹堵头\直堵-G3/4-不锈钢/Ex eb ⅡC Gb/Ex ta ⅢC Da-IP66-WF2防爆螺纹堵头\直堵-G3/4-不锈钢/Ex eb ⅡC Gb/Ex ta ⅢC Da-IP66-WF2防爆螺纹堵头\直堵-G3/4-不锈钢/Ex eb ⅡC Gb/Ex ta ⅢC Da-IP66-WF2防爆电缆夹紧密封接头\双密封-G1-1/2(内)-G1-1/2(外)-不锈钢/Ex eb ⅡC Gb/Ex ta ⅢC Da-IP66-WF2防爆电缆夹紧密封接头\双密封-G1-1/2(内)-G1-1/2(外)-不锈钢/Ex eb ⅡC Gb/Ex ta ⅢC Da-IP66-WF2防爆电缆夹紧密封接头\双密封-G1-1/2(内)-G1-1/2(外)-不锈钢/Ex eb ⅡC Gb/Ex ta ⅢC Da-IP66-WF2防爆挠性管\25-1000-G1内-G1 外-304/Ex dbⅡC Gb/Ex ta ⅢC Da-IP66-WF2防爆挠性管\25-1000-G1内-G1 外-304/Ex dbⅡC Gb/Ex ta ⅢC Da-IP66-WF2防爆挠性管\25-1000-G1内-G1 外-304/Ex dbⅡC Gb/Ex ta ⅢC Da-IP66-WF2防爆挠性管\50-1000-G2外-G2内-304/Ex dbⅡC Gb/Ex ta ⅢC Da-IP66-WF2防爆挠性管\40-1000-G1-1/2内-G1-1/2外-304/Ex dbⅡC Gb/Ex ta ⅢC Da-IP66-WF2防爆电缆密封接头\G3/4(M)-304/ExdⅡCT6-IP66-W防爆电缆密封接头\G3/4(M)-304/ExdⅡCT6-IP66-W防爆电缆密封接头\G3/4(M)-304/ExdⅡCT6-IP66-W防爆电缆密封接头\直通-G1(内)-G1(外)-304/ExdⅡBT4-IP65-WF2防爆电缆密封接头\直通-G1(内)-G1(外)-304/ExdⅡBT4-IP65-WF2防爆电缆密封接头\直通-G1(内)-G1(外)-304/ExdⅡBT4-IP65-WF2防爆电缆夹紧密封接头\直通-3/4NPT(外)-G3/4(内)-304/ExdIIBT4-IP65-WF1防爆电缆夹紧密封接头\直通-G1/2(内)-G1/2(外)-不锈钢/ExdIICT6-IP65-WF2防爆电缆夹紧密封接头\直通-G1/2(内)-G1/2(外)-不锈钢/ExdIICT6-IP65-WF2防爆电缆夹紧密封接头\直通-G1/2(内)-G1/2(外)-不锈钢/ExdIICT6-IP65-WF2防爆穿线盒\直通-G1-1/2-铸钢/Ex eb ⅡC Gb/Ex tb ⅢC Db-IP66-WF2防爆穿线盒\直通-G1-1/2-铸钢/Ex eb ⅡC Gb/Ex tb ⅢC Db-IP66-WF2防爆穿线盒\直通-G1-1/2-铸钢/Ex eb ⅡC Gb/Ex tb ⅢC Db-IP66-WF2防爆穿线盒\直通-G1-铸钢/Ex eb ⅡC Gb/Ex tb ⅢC Db-IP66-WF2防爆穿线盒\直通-G1-铸钢/Ex eb ⅡC Gb/Ex tb ⅢC Db-IP66-WF2防爆穿线盒\直通-G1-铸钢/Ex eb ⅡC Gb/Ex tb ⅢC Db-IP66-WF2防爆穿线盒\三通-G1-铸钢/Ex eb ⅡC Gb/Ex tb ⅢC Db-IP66-WF2防爆穿线盒\三通-G1-铸钢/Ex eb ⅡC Gb/Ex tb ⅢC Db-IP66-WF2防爆穿线盒\三通-G1-铸钢/Ex eb ⅡC Gb/Ex tb ⅢC Db-IP66-WF2防爆穿线盒\三通-G1-铸钢/Ex eb ⅡC Gb/Ex tb ⅢC Db-IP66-WF2防爆穿线盒\三通-G1-铸钢/Ex eb ⅡC Gb/Ex tb ⅢC Db-IP66-WF2防爆穿线盒\三通-G1-铸钢/Ex eb ⅡC Gb/Ex tb ⅢC Db-IP66-WF2防爆穿线盒\直角-G1-铸钢/Ex eb ⅡC Gb/Ex tb ⅢC Db-IP66-WF2防爆穿线盒\直角-G1-铸钢/Ex eb ⅡC Gb/Ex tb ⅢC Db-IP66-WF2防爆穿线盒\直角-G1-1/2-铸钢/Ex eb ⅡC Gb/Ex tb ⅢC Db-IP66-WF2防爆挠性管\40-1000-G1-1/2内-G1-1/2外-304/Ex dbⅡC Gb/Ex ta ⅢC Da-IP66-WF2防爆挠性管\40-1000-G1-1/2内-G1-1/2外-304/Ex dbⅡC Gb/Ex ta ⅢC Da-IP66-WF2

SCXQ原油储运部2603-03王丽娜009郭小千采购公告

202603物资一批采购公告[{unit}]

202603物资一批采购公告

贮运厂火炬增设监测仪表、乙烯丙烯酸电缆专用料、粉料包装、塑料厂单点联锁、化工厂烷基化项目中国石化扬子石油化工有限公司防爆穿线盒\直通-G3/4-铝合金/ExdⅡCT4-IP65-WF2防爆电缆密封接头\直通-1-1/2"NPT(M)-304SS/ExdIICT4-IP65-WF1防爆铠装电缆密封接头\直通-1/2NPT(外)-304/Eexde IIC T6-IP66-WF2三防电缆密封接头\直通-1/2"NPT(M)-304SS/IP65-WF1防爆接线盒\三通-G3/4-铸铝/ExdⅡCT6-IP65-WF1防爆钢丝铠装电缆夹紧密封接头\直通-1/2NPT(M)-316/Ex db ⅡCT6 Gb/Ex tb ⅢC T80℃ Db-IP66-WF2防爆电缆密封接头\G3/4(M)-304/ExdⅡCT6-IP65-WF2防爆电缆密封接头\G1/2(M)-304/ExdⅡCT6-IP66-W防爆穿线盒\直通-G3/4-铝合金/ExeⅡ T4-IP65-WF2防爆穿线盒\弯通-G3/4-铝合金/ExeⅡ T4-IP65-WF2防爆穿线盒\弯通-G3/4-铝合金/ExdⅡCT6-IP65-WF1防爆电缆密封接头\直通-1/2NPT-304/ExdⅡBT4-IP65-WF1防爆电缆密封接头\直通-1/2NPT-304/ExdⅡBT4-IP65-WF1防爆穿线盒\直通-G1-1/2((F)-铝合金/ExdIICT4-IP65-WF1防爆穿线盒\三通-G3/4-铝合金/ExdIICT4-IP65-WF1防爆钢丝铠装电缆夹紧密封接头\直通-3/4"NPT(M)-不锈钢/ExdeIICT4-IP66-WF2防爆钢丝铠装电缆夹紧密封接头\一进一出-1/2NPT(M)-不锈钢/ExdⅡCT4-IP66防爆穿线盒\弯通-G3/4"-铝合金+喷塑/ExdⅡCT4-IP65-WF1防爆电缆密封接头\直通-1/2NPT-304/ExdⅡBT4-IP65-WF1防爆穿线盒\弯通-G1-1/2-铝合金/ExdeIICT4-IP65-WF1防爆穿线盒\三通-G1-1/2-铝合金/ExdeIICT4-IP65-WF1防爆穿线盒\直通-G3/4-铝合金/ExeIIT4-IP65-WF1三防电缆密封接头\直通-NPT1/2-工程塑料/IP65-WF2护线帽\G3/4-碳钢镀锌防爆电缆密封接头\直通-1/2NPT(M)-304/ExdⅡCT6 Gb-IP66-W

wj2603005 防爆密封接头等采购公告

西南油气田分公司川中油气矿2026-2027年防爆电气仪表设备检测技术服务采购

中国石油化工股份有限公司石家庄炼化分公司石家庄炼化分公司绿色转型发展项目防爆穿线盒\弯通-G1-铸钢/Ex ebⅡC Gb/Ex ta ⅢC Da-IP66-WF1招标公告

中国石油化工股份有限公司石家庄炼化分公司石家庄炼化分公司绿色转型发展项目防爆穿线盒\弯通-G1-铸钢/ExebⅡCGb/ExtaⅢCDa-IP66-WF1招标公告

西南油气田分公司川中油气矿2026-2027年防爆电气仪表设备检测技术服务采购招标公告(成都市)

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XMXQ各作业部2603-03王丽娜001郭小千中石化（天津）石油化工有限公司防爆检修配电箱\160/4PA-(2×100A/4P+1×63A/4P+2×16A/2P-G4-5×G2×2+3×G1-IP65-WF2-ExdeⅡBT4-铝合金 带浪涌保护器.防雨罩防爆电缆夹紧密封接头\直通-1/2NPT内-1/2NPT外-不锈钢/Ex db ⅡC Gb/Ex ta ⅢC Da-IP66-WF2防爆电缆夹紧密封接头\直通-1/2NPT内-3/4NPT外-不锈钢/Ex eb ⅡC Gb/Ex tb ⅢC Db-IP62-WF2防爆活接头\直通-G1外-G3/4内-碳钢/Ex eb ⅡC Gb/Ex tb ⅢC Db-IP66-WF2防爆挠性管\20-700-1/2"NPT(M)-G3/4"(内)-Ⅲ(不锈钢网)/ExdⅡCT4-IP65-WF1护口及锁紧螺母\G1内-碳钢-Ex eb ⅡC Gb/Ex ta ⅢC Da/IP66/WF2护口及锁紧螺母\G3/4-碳钢-Ex eb ⅡC Gb/Ex ta ⅢC Da/IP66/WF2防爆照明箱\32/4PA-(9×16A/2P-G1-9×G1-1/2-IP65-WF2-ExdeⅡBT4-铝合金(带浪涌,,防雨罩)立式防爆操作拄\10A-A2B1(75/5)K1-ExdⅡBT4 IP65 WF2 铝合金 1.2米不锈钢支架 带防爆格兰头, 带304不锈钢防雨罩,启动、停止均带常闭常开点立式防爆操作拄\10A-A2D2-ExdⅡBT4 IP65 WF2 铝合金 1.2米不锈钢支架 带防爆格兰头, 带304不锈钢防雨罩,启动、停止均带常闭常开点防爆穿线盒\三通-G3/4"-铸钢/Ex eb ⅡC Gb/Ex tb ⅢC Db-IP66-WF2防爆穿线盒\后盖弯通-G3/4"-铸钢/Ex eb ⅡC Gb/Ex tb ⅢC Db-IP66-WF2防爆穿线盒\后盖弯通-G3/4"-铸钢/Ex eb ⅡC Gb/Ex tb ⅢC Db-IP66-WF2防爆穿线盒\直通-G3/4"-铸钢/Ex eb ⅡC Gb/Ex tb ⅢC Db-IP66-WF2防爆穿线盒\直通-G3/4"-铸钢/Ex eb ⅡC Gb/Ex tb ⅢC Db-IP66-WF2防爆电缆夹紧密封接头\直通-1/2NPT内-1/2NPT外-黄铜/Ex db ⅡC Gb/Ex ta ⅢC Da-IP66-WF2防爆电缆夹紧密封接头\直通-1/2NPT外-黄铜/Ex db ⅡC Gb/Ex ta ⅢC Da-IP66-WF2防爆电缆夹紧密封接头\直通-1NPT(外)-1NPT(内)-316/Ex db ⅡC Gb/Ex ta ⅢC Da-IP66-WF2防爆电缆夹紧密封接头\双密封-1/2"NPT外-316/Ex db ⅡC Gb/Ex ta ⅢC Da-IP66-WF2防爆电缆夹紧密封接头\直通-1/2NPT(外)-1/2NPT(内)-316/Ex db ⅡC Gb/Ex ta ⅢC Da-IP66-WF2防爆电缆夹紧密封接头\双密封-NPT1-1/2外-304/Ex db ⅡC Gb/Ex ta ⅢC Da-IP66-WF2防爆穿线盒\三通-G3/4"-铸钢/Ex eb ⅡC Gb/Ex tb ⅢC Db-IP66-WF2防爆挠性管\20-700-G3/4外-G3/4 内-304/Ex dbⅡC Gb/Ex ta ⅢC Da-IP66-WF2防爆挠性管\20-700-NPT1/2外-G3/4 内-304/Ex dbⅡC Gb/Ex ta ⅢC Da-IP66-WF2防爆挠性管\20-1000-1/2"NPT外-G3/4 内-316/Ex dbⅡC Gb/Ex ta ⅢC Da-IP66-WF2防爆挠性管\20-1000-1"NPT外-G3/4 内-316/Ex dbⅡC Gb/Ex ta ⅢC Da-IP66-WF2护口及锁紧螺母\G3/4-碳钢-Ex eb ⅡC Gb/Ex ta ⅢC Da/IP66/WF2

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