
THERMOPLASTICS PIPING SYSTEMS FOR SOIL AND WASTE DISCHARGE INSIDE BUILDINGS - TEST METHOD FOR AIRTIGHTNESS OF JOINTS
出版:International Organization for Standardization

專家解讀視頻
THERMOPLASTICS PIPING SYSTEMS FOR SOIL AND WASTE DISCHARGE INSIDE BUILDINGS - TEST METHOD FOR AIRTIGHTNESS OF JOINTS
出版:International Organization for Standardization
專家解讀視頻