
Plastics - Unplasticized Polyvinyl Chloride (pvc) Pipes And Fittings For Assembly By Adhesion And/or Elastic Sealing Ring Joints For Soil And Waste Discharge - Dimensions
出版:Asociacion Espanola de Normalizacion

专家解读视频
Plastics - Unplasticized Polyvinyl Chloride (pvc) Pipes And Fittings For Assembly By Adhesion And/or Elastic Sealing Ring Joints For Soil And Waste Discharge - Dimensions
出版:Asociacion Espanola de Normalizacion
专家解读视频