NBN A 35 104-1972 标准详情
- 标准号:NBN A 35 104-1972
- 中文标题:
- 英文标题:Piping And Pipe-couplings - Extremities' Measurements Of Not Threadable Steel Pipes For Water- Or Gas Pipe-lines And Sewers - Extremities With Single Fitting For Peripheral Welding
- 标准类别:比利时标准NBN
- 发布日期: