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发明名称
Method of electrolytically reproducing prints or designs
摘要
申请公布号
US2421735(A)
申请公布日期
1947.06.03
申请号
US19410423997
申请日期
1941.12.22
申请人
PREST CLARENCE O
发明人
PREST CLARENCE O.
分类号
B41M5/20
主分类号
B41M5/20
代理机构
代理人
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