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发明名称
Fremgangsmåde ved lysbuesvejsning af metaller under et beskyttelseslag af en inert luftart, samt svejsepistol til udøvelse af fremgangsmåden.
摘要
申请公布号
DK76823(C)
申请公布日期
1953.12.14
申请号
DK19500000428
申请日期
1950.02.08
申请人
UNION CARBIDE AND CARBON CORPORATION
发明人
分类号
主分类号
代理机构
代理人
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