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发明名称
Photographic camera and projector apparatus
摘要
申请公布号
US2068410(A)
申请公布日期
1937.01.19
申请号
US19330701900
申请日期
1933.12.11
申请人
HANKE FRANK C;RHEA WALTER B
发明人
HANKE FRANK C.;RHEA WALTER B.
分类号
G03B37/04
主分类号
G03B37/04
代理机构
代理人
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