NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 41666.7-2024
地下无压排水管网非开挖修复用塑料管道系统-第7部分:螺旋缠绕内衬法 Plastic pipe systems for trenchless repair of underground non-pressure drainage networks - Part 7: Spiral winding lining method
发布日期 Issued Date:
实施日期 Implemented Date:
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国家市场监督管理总局 国家标准化管理委员会
The Standardization Administration of the People's Republic of China
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"GB/T 41666.7-2024" standard !
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