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发明名称
VERFAHREN ZUR VORBEHANDLUNG VON ALUMINIUM UND SEINEN LEGIERUNGEN FUER DAS GALVANISCHE AUFBRINGEN VON METALLI SCHEN UEBERZUEGEN
摘要
申请公布号
DE1932011(B2)
申请公布日期
1971.04.01
申请号
DE19691932011
申请日期
1969.06.24
申请人
发明人
分类号
C25D3/56;C25D5/44;(IPC1-7):C23B5/62
主分类号
C25D3/56
代理机构
代理人
主权项
地址
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