DIN 8521-2 标准详情
- 标准号：DIN 8521-2
- 中文标题：
- 英文标题：Safety Devices Against Backflow For The Application Of Gases Of Public Gas Supply, Of Air And Oxygen Up To An Overpressure Of 0,1 Bar, Not Protected Against Flashbacks; Safety Requirements; Testing
- 标准类别：德国标准DIN
- 发布日期：
