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经营范围
发明名称
Elektrolytloesung und Verfahren zur Herstellung oxydischer Schutzschichten auf Aluminium und Aluminiumlegierungen
摘要
申请公布号
DE699239(C)
申请公布日期
1940.11.25
申请号
DE193800D7767D
申请日期
1938.04.14
申请人
CARL DITTMANN & CO.
发明人
分类号
C25D11/06
主分类号
C25D11/06
代理机构
代理人
主权项
地址
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