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发明名称
Matrix for electroforming foraminous sheets
摘要
申请公布号
US2226382(A)
申请公布日期
1940.12.24
申请号
US19380203504
申请日期
1938.04.22
申请人
EDWARD O. NORRIS, INC.
发明人
NORRIS EDWARD O.
分类号
C25D1/08
主分类号
C25D1/08
代理机构
代理人
主权项
地址
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