推荐性国家标准废止
GB/T 985-1988
气焊、手工电弧焊及气体保护焊焊缝坡口的基本形式与尺寸
Basic forms and sizes of weld grooves for gas welding,manual arc welding and gas-shielded arc welding
- 实施日期
- 1989-03-01
- ICS 分类
- 25.160.40
组合使用关键词、标准类型、状态与 ICS 分类,快速定位所需国家标准。
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GB/T 985-1988
Basic forms and sizes of weld grooves for gas welding,manual arc welding and gas-shielded arc welding
GB/T 8454-1987
Determination of ferrous iron contentin reduced ilmenite powder for welding rod
GB/T 6417-1986
Classification of imperfections in metallic fusion welds,with explanations
GB/T 5185-1985
Welding,brazing,braze welding and soldering of metals--List of processes for symbolic representation on drawings