Plastics piping systems for renovation of underground gas supply networks - Part 3: Lining with close-fit pipes (ISO 11299-3:2018)
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 11299-3:2018)
出版:Comite Europeen de Normalisation
专家解读视频