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发明名称
Film-camera apparatus
摘要
申请公布号
US1764450(A)
申请公布日期
1930.06.17
申请号
US19250053064
申请日期
1925.08.28
申请人
CAMBRIDGE INSTRUMENT COMPANY, INC.
发明人
HINDLE CHARLES F.
分类号
G03B19/04
主分类号
G03B19/04
代理机构
代理人
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