
Plastics piping systems for soil and waste discharge (low and high temperature) inside buildings - Thermoplastics - Recommended practice for installation
出版:International Organization for Standardization

專家解讀視頻
Plastics piping systems for soil and waste discharge (low and high temperature) inside buildings - Thermoplastics - Recommended practice for installation
出版:International Organization for Standardization
專家解讀視頻