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经营范围
发明名称
Focal plane shutter
摘要
申请公布号
US3006263(A)
申请公布日期
1961.10.31
申请号
US19570675309
申请日期
1957.07.31
申请人
CHICAGO AERIAL INDUSTRIES, INC.
发明人
ELLIOTT EUGENE W.;BURY ELMER J.
分类号
G03B9/34
主分类号
G03B9/34
代理机构
代理人
主权项
地址
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