
Plastics piping systems for hot and cold water installations - Polybutene (PB) Part 1: General (ISO/DIS 15876-1:2015); German and English version prEN ISO 15876-1:2015
出版:German Institute for Standardisation (Deutsches Institut für Normung)

专家解读视频
Plastics piping systems for hot and cold water installations - Polybutene (PB) Part 1: General (ISO/DIS 15876-1:2015); German and English version prEN ISO 15876-1:2015
出版:German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频