
【国外标准】 Specification. Covered electrodes for the manual metal-arc welding of mild steel and medium tensile steel. Metric units
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适用范围:
暂无
标准号:
BS 639:1969
标准名称:
Specification. Covered electrodes for the manual metal-arc welding of mild steel and medium tensile steel. Metric units
英文名称:
Specification. Covered electrodes for the manual metal-arc welding of mild steel and medium tensile steel. Metric units标准状态:
被代替-
发布日期:
1969-09-29 -
实施日期:
出版语种:
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