
Plastics piping systems - Multilayer pipe systems for indoor gas installations with a maximum operating pressure up to and including 5 bar (500 kPa) Part 1: Specifications for systems
出版:International Organization for Standardization

专家解读视频
Plastics piping systems - Multilayer pipe systems for indoor gas installations with a maximum operating pressure up to and including 5 bar (500 kPa) Part 1: Specifications for systems
出版:International Organization for Standardization
专家解读视频