GB/T 4622.1-2022
管法兰用缠绕式垫片 第1部分:PN系列
Spiral wound gaskets for pipe flanges—Part 1: PN designated
- 实施日期
- 2022-10-12
- ICS 分类
- 23.040.60
组合使用关键词、标准类型、状态与 ICS 分类,快速定位所需国家标准。
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GB/T 4622.1-2022
Spiral wound gaskets for pipe flanges—Part 1: PN designated
GB/T 41979.5-2022
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Friction stir spot welding—Aluminium and its alloys—Part 2:Design of weld joints
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