GBT13295-2003水及燃气管道用球墨铸铁管、管件和附件

ICS23.040.10H48GB中华人民共和国国家标准GBT13295-2003代替GB/T13294-1991GB/T13295-1991水及燃气管道用球墨铸铁管、管件和附件Ductile iron pipes,fittings and accessories for water or gas applications(IS02531:1998 Ductile iron pipes,fittings,accessories and theirjoints for water or gas applications,MOD)2003-03-03发布2003-08-01实施中华人民共和国发布国家质量监督检验检疫总局