DIN EN 1452-1
Plastics piping systems for water supply - Unplasticized poly(vinyl chloride) (PVC-U) - Part 1: General
废止
发布日期 :
2001-09-01
实施日期 :
DIN EN 1452-2
Plastics piping systems for water supply - Unplasticized poly(vinyl chloride) (PVC-U) - Part 2: Pipes
废止
发布日期 :
2001-09-01
实施日期 :