DIN 8063-7:1980 Pipe joints and their elements of unplasticized polyvinylchloride (unplasticized PVC) under pressure; tees and branches of injection moulded for cold welding, dimensions
1980DIN 8063-7:1980 Pipe joints and their elements of unplasticized polyvinylchloride (unplasticized PVC) under pressure; tees and branches of injection moulded for cold welding, dimensions