
SAFETY AND CONTROL DEVICES FOR GAS BURNERS AND GAS BURNING APPLIANCES - AUTOMATIC SHUT-OFF VALVES FOR OPERATING PRESSURE OF ABOVE 500 KPA UP TO AND INCLUDING 6300 KPA
出版:Comite Europeen de Normalisation

專家解讀視頻
SAFETY AND CONTROL DEVICES FOR GAS BURNERS AND GAS BURNING APPLIANCES - AUTOMATIC SHUT-OFF VALVES FOR OPERATING PRESSURE OF ABOVE 500 KPA UP TO AND INCLUDING 6300 KPA
出版:Comite Europeen de Normalisation
專家解讀視頻