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经营范围
发明名称
Process of making negatives in metal of metal surfaces
摘要
申请公布号
US2258451(A)
申请公布日期
1941.10.07
申请号
US19400316578
申请日期
1940.01.31
申请人
METALLIZING ENGINEERING COMPANY, INC.
发明人
INGHAM HERBERT S.;SHEPARD ARTHUR P.
分类号
B41C3/00
主分类号
B41C3/00
代理机构
代理人
主权项
地址
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