NEN 3257-1974 标准详情
- 标准号:NEN 3257-1974
- 中文标题:钢管,适用于拧紧和套接字
- 英文标题:Steel Tubes, Suitable For Screwing And Sockets
- 标准类别:荷兰国家标准NEN
- 发布日期:
Defines the sizes, the material, the state of delivery, the technical conditions of delivery and the testing of steel tubes (light, medium and heavy) and matching sockets. It applies to steel tubes, suitable to be applied with a screwthread in accord
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