NS ISO 1129 Ed. 1 (1991)现行
Steel Tubes For Boilers, Superheaters And Heat Exchangers - Dimensions, Tolerances And Conventional Masses Per Unit Length
出版：Norwegian Standards (Norges Standardiseringsforbund)
专家解读视频
基本信息
标准编号： NS ISO 1129 Ed. 1 (1991)
标准类别：Standard
出版单位：Norwegian Standards (Norges Standardiseringsforbund)
标准页数：0
标准简介
1ED 1991
等同采用的国际标准
ISO 1129:1980 - Identical
