
Plastics Piping Systems - Thermoplastics Piping Systems For Buried Non-Pressure Applications - Test Methods For Leaktightness Of Elastomeric Sealing Ring Type Joints
出版:British Standards Institution

专家解读视频
Plastics Piping Systems - Thermoplastics Piping Systems For Buried Non-Pressure Applications - Test Methods For Leaktightness Of Elastomeric Sealing Ring Type Joints
出版:British Standards Institution
专家解读视频