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发明名称
Perfectionnements relatifs aux écrans métalliques et à leurs procédés de fabrication
摘要
申请公布号
FR835984(A)
申请公布日期
1939.01.06
申请号
FRD835984
申请日期
1938.03.31
申请人
EDWARD O. NORRIS, INC.
发明人
分类号
C25D1/08;C25D1/10
主分类号
C25D1/08
代理机构
代理人
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地址
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