?NORM EN ISO 13257: 2019 07 01现行
Thermoplastics piping systems for non-pressure applications - Test method for resistance to elevated temperature cycling (ISO 13257:2018)
出版：Osterreichisches Normungsinstitut/Austrian Standards
专家解读视频
This document specifies a test method for determining the resistance to elevated temperature cycling of thermoplastics piping systems for non-pressure applications, inside buildings or buried in the ground within the building structure.
EN ISO 13257:2018 - Identical
ISO 13257:2018 - Identical
ISO 13257:2018 - Identical
EN ISO 13257:2018 - Identical
