ISO/TR 11647:1996 EN 7f03a213
Fusion compatibility of polyethylene (PE) pipes and fittings
废止
发布日期 :
1996-07-04
实施日期 :
ISO/TR 13950:1997 EN b4da8c2a
Plastics pipes and fittings — Automatic recognition systems for electrofusion
废止
发布日期 :
1997-11-27
实施日期 :