PLASTICS PIPING SYSTEMS FOR RENOVATION OF UNDERGROUND GAS SUPPLY NETWORKS - PART 3: LINING WITH CLOSE-FIT PIPES (ISO 11299-3:2011)
出版:Comite Europeen de Normalisation
专家解读视频
PLASTICS PIPING SYSTEMS FOR RENOVATION OF UNDERGROUND GAS SUPPLY NETWORKS - PART 3: LINING WITH CLOSE-FIT PIPES (ISO 11299-3:2011)
出版:Comite Europeen de Normalisation
专家解读视频