ISO 21053:2019 EN 443be1b6
Life cycle analysis and recycling of ductile iron pipes for water applications
现行
发布日期 :
2019-07-23
实施日期 :
ISO 22158:2011 EN 8fd62acc
Input/output protocols and electronic interfaces for water meters — Requirements
现行
发布日期 :
2011-05-06
实施日期 :
ISO 2531:2009 EN a7f71a75
Ductile iron pipes, fittings, accessories and their joints for water applications
现行
发布日期 :
2009-12-08
实施日期 :
ISO 4064-5:2014 EN fe318172
Water meters for cold potable water and hot water — Part 5: Installation requirements
现行
发布日期 :
2014-05-26
实施日期 :