三机(武汉捷辉)无缝弯头、无缝三通2025-9-30中石化石油机械股份有限公司三机分公司无缝同心大小头\DN40×DN25×3/3 GB/T12459Ⅰ 06Cr19Ni10 GB/T 14976无缝弯头\90° DN15×3 R=1.5D GB/T12459Ⅰ 06Cr19Ni10 GB/T 14976无缝弯头\90° DN25×3.08 R=1.5D GB/T 12459Ⅰ 06Cr19Ni10 GB/T 14976无缝弯头\90° DN40×3 R=1.5D GB/T12459Ⅰ 06Cr19Ni10 GB/T 14976无缝三通\DN40×DN40×3/3 GB/T12459Ⅰ 06Cr19Ni10 GB/T 14976
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