
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

專家解讀視頻
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
專家解讀視頻