大项目RTC联合装置需求非框架协议支管台(260306)-Q中国石油化工股份有限公司广州分公司45°嵌入式支管台\DN250×DN50 SCH40 BW ENR STD 20# GB/T 816345°嵌入式支管台\DN400×DN150 SCH80 BW ENR STD 20# GB/T 9948嵌入式支管台\DN1800×DN250 SCH40 BW ENR STD 20# GB/T 9948 ANTI-H2S嵌入式支管台\DN800×DN250 SCH60 BW ENR STD 20# GB/T 9948嵌入式支管台\DN800×DN300 SCH60 BW ENR STD 20# GB/T 9948法兰支管台\DN250×DN40 CL300 RF ENR STD A105 ASTM A105法兰支管台\DN350×DN40 CL300 RF ENR STD A105 ASTM A105法兰支管台\DN150×DN40 CL300 RF ENR STD A105 ASTM A105法兰支管台\DN300×DN40 CL300 RF ENR STD A105 ASTM A105嵌入式支管台\DN800×DN250 SCH40 BW ENR STD 20# GB/T 816345°嵌入式支管台\DN250×DN80 SCH40 BW ENR STD 20# NB/T 47008
2026-03-06