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经营范围
发明名称
Method of electrolytic reproduction
摘要
申请公布号
US1881714(A)
申请公布日期
1932.10.11
申请号
US19290384285
申请日期
1929.08.08
申请人
LAUKEL ARTHUR K
发明人
LAUKEL ARTHUR K.
分类号
C25D1/10
主分类号
C25D1/10
代理机构
代理人
主权项
地址
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