DIN 20400-1990 标准详情
- 标准号:DIN 20400-1990
- 中文标题:采矿用圆螺纹.大承载深度螺纹
- 英文标题:Knuckle threads for the mining; threads with large load-bearing depth
- 标准类别:德国标准
- 发布日期:1990-01
Threads as per this standard are used in underground mining. They are designed for lowest-possible unit pressure and highest-possible safety against corrosion.
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