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发明名称
Appareil rotatif à ampérage réglable pour chromage électrolytique et galvanoplastie
摘要
申请公布号
FR39935(E)
申请公布日期
1932.03.19
申请号
FRD39935
申请日期
1930.07.16
申请人
发明人
DREYFUS SIMON
分类号
C25D17/18
主分类号
C25D17/18
代理机构
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