NEN-EN-ISO 13257:2019 en现行
Thermoplastics piping systems for non-pressure applications - Test method for resistance to elevated temperature cycling
出版：Netherlands Standards
专家解读视频
NEN-EN-ISO 13257 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
EN ISO 13257:2018 - Identical
ISO 13257:2018 - Identical
