National industry standard Truth 1Announcement of the Ministry of housing and urban rural development of the people's Republic of China on the release of the industry standard technical specification for direct drinking water system of building and community pipelines: the technical specification for direct drinking water system of building and community pipelines is approved as the industry standard, with the number of CJJ / T 110-2017, and it will be implemented from November 1, 2017. The original industry standard CJJ / T 110-2006, technical specification for direct drinking water ...
release time:
2018
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03
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26
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