NS EN 12889 Ed. 1 标准详情
- 标准号:NS EN 12889 Ed. 1
- 中文标题:
- 英文标题:Trenchless Construction And Testing Of Drains And Sewers
- 标准类别:挪威标准NS
- 发布日期:
Applies to trenchless construction and testing of new drains and sewers in the ground, operating as gravity pipelines, formed using prefabricated pipes and their joints. Trenchless construction and testing of drains and sewers operating under pressur
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