
【国外标准】 Specification. Covered electrodes for the manual metal-arc welding of mild steel and medium tensile steel.
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适用范围:
暂无
标准号:
BS 639:1972
标准名称:
Specification. Covered electrodes for the manual metal-arc welding of mild steel and medium tensile steel.
英文名称:
Specification. Covered electrodes for the manual metal-arc welding of mild steel and medium tensile steel.标准状态:
被代替-
发布日期:
1972-05-17 -
实施日期:
出版语种:
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