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发明名称
Verfahren zum elektrischen Widerstandsstumpfschweissen kantiger, vor dem Schweissen an den Schweissenden verjuengter Staehle
摘要
申请公布号
DE750106(C)
申请公布日期
1944.12.14
申请号
DE1942E056652D
申请日期
1942.11.08
申请人
发明人
分类号
B23K33/00
主分类号
B23K33/00
代理机构
代理人
主权项
地址
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