
Specification For Approval Testing Of Welding Procedures - Fusion Welding Of Steel
出版:British Standards Institution

专家解读视频
基本信息
标准编号: BS 4870-1:1981
发布时间:1981/3/31 0:00:00
标准类别:Standard
出版单位:British Standards Institution
标准页数:23
标准简介
AMD 6293 [28/02/1990]AMD 5161 [31/10/1986]AMD 4730 [30/09/1984]AMD 4322 [31/07/1983]
标准备注
© British Standards Institution 2013
Replaces notes:
Replaces BS 4870:Part 1:1974.
Amendment notes:
AMD 4322
AMD 4730
AMD 5161
AMD 6293
AMD 4730 is applicable only to reprinted issue of December 1983 incorporating AMD 4322
本标准替代的旧标准
替代本标准的新标准