ISO 21307:2011被替代
Plastics pipes and fittings - Butt fusion jointing procedures for polyethylene (PE) pipes and fittings used in the construction of gas and water distribution systems
出版：International Organization for Standardization
专家解读视频
BS ISO 21307:2011 - Identical
SANS 21307 : 1ED 2011 - Identical
DS ISO 21307 : 2017 - Identical
NEN-ISO 21307:2018 en - Identical
BS ISO 21307 : 2011 - Identical
SAC GB/T 32434 : 2015 - Identical
