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发明名称
Process for etching photoengraving copper
摘要
申请公布号
US3271282(A)
申请公布日期
1966.09.06
申请号
US19630288802
申请日期
1963.06.18
申请人
PHOTO-ENGRAVERS RESEARCH, INC.
发明人
BORTH PAUL F.
分类号
C25F3/02
主分类号
C25F3/02
代理机构
代理人
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地址
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