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发明名称
Einrichtung zum Aufrauhen der Mantelflaeche von mit einem UEberzuge zu versehenden Schweisselektroden
摘要
申请公布号
DE543974(C)
申请公布日期
1932.02.11
申请号
DE1930ST06330D
申请日期
1930.04.18
申请人
Firma Franz H.Stromberg
发明人
分类号
B21B1/16;B23K35/40
主分类号
B21B1/16
代理机构
代理人
主权项
地址
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