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

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