Ductile iron pipes and fittings - Push-in joints - Survey, sockets and gaskets
球墨铸铁管和配件.推入式接头.测量 套筒和垫圈

2002-05-01

Ductile iron pipes and fittings - Bolted gland joints - Assembly, sockets, counter ring, sealing ring, bolts and nuts
球墨铸铁管和配件.螺栓连接压盖接头.组件 套筒 反环 密封圈 螺栓和螺母

2000-05-01