NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 43982.1-2024
地下供水管网非开挖修复用塑料管道系统-第1部分:总则 Plastic pipe systems for trenchless repair of underground water supply networks - Part 1: General
发布日期 Issued Date:
实施日期 Implemented Date:
发布Issued by:
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 43982.1-2024" standard !
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