标准编号:DIN 30658-1-1998
标准名称:地下煤气管道接头附加密封材料.第1部分:已密封煤气管道附加密封用塑料薄...
英文名称:Materials for the subsequent sealing of joints in underground gas mains - Part 1: Plastic foil and textile fibre linings used to seal gaspipes already in place; safety requirements and testing
发布部门:
发布日期:1998-01-01
实施日期:1998-01-01
标准状态:现行
文件格式:PDF