DIN 1997-2 标准详情
- 标准号:DIN 1997-2
- 中文标题:
- 英文标题:Shut-off Valves For Site Drainage Systems - Backflow Gates For Non-faecal Sewage - Testing
- 标准类别:德国标准DIN
- 发布日期:
Includes principles relating to the approval testing and functional testing of backflow gates conforming to DIN 1997 Part 1.
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