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无缝方矩管...[详细]
无缝方矩管...[详细]
无缝方矩管...[详细]
船舶用无缝钢管 Pipetube for ship 船规 Classification of ships: DNV、GL、LR、BV、CCS、KR、NK 钢级 Grade 标准Standard 钢级 Grade 外径OD 壁厚WT 船级社 Classification of ships GB/T5312 320、360、410、460、490 21....[详细]
注：经协商，也可供其它规格的钢管 Note:Other size can also be provided after consuliting with customers...[详细]
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