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螺旋焊管 buy in Beijing
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螺旋焊管

螺旋焊管

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China, Beijing
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Technical characteristics
  • Method of manufacturingElectrowelded
Description

标准号:GB/T 9711.1-1997

标准名称:石油天然气工业输送钢管交货技术条件

产品型式:螺旋焊管、直缝埋弧焊管、直缝高频焊管

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