
Plastics - Unplasticized Polyvinylchloride Piping Components - Sliding Joints With Ring Seals For Unpressurized Domestic Water Drainage - Dimensional Characteristics
出版:Association Francaise de Normalisation

专家解读视频
Plastics - Unplasticized Polyvinylchloride Piping Components - Sliding Joints With Ring Seals For Unpressurized Domestic Water Drainage - Dimensional Characteristics
出版:Association Francaise de Normalisation
专家解读视频