Plastics piping systems for renovation of underground water supply networks - part 1 : general 地下水供给网络的翻新用塑料管道设备.第1部分:总则
2.
Plastics piping systems for renovation of underground water supply networks - part 3 : lining with close - fit pipes 地下水供给网络的翻新用塑料管道设备.第3部分:紧配合管道衬
3.
Plastics piping systems for renovation of underground water supply networks - part 1 : general ; german version en 14409 - 1 : 2004 地下水供给网络的翻新用塑料管道设备.第1部分:总则
4.
Plastics piping systems for renovation of underground water supply networks - part 3 : lining with close - fit pipes ; german version en 14409 - 3 : 2004 地下水供给网络的翻新用塑料管道设备.第3部分:紧配合