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发明名称
Photographic contact printing apparatus
摘要
申请公布号
US2303206(A)
申请公布日期
1942.11.24
申请号
US19400320692
申请日期
1940.02.24
申请人
GARMAN CHARLES P
发明人
GARMAN CHARLES P.
分类号
G03B27/08
主分类号
G03B27/08
代理机构
代理人
主权项
地址
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