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经营范围
发明名称
Improvements in view finders for moving picture cameras
摘要
申请公布号
GB590925(A)
申请公布日期
1947.07.31
申请号
GB19450009182
申请日期
1945.04.12
申请人
JACQUES JEAN BROIDO
发明人
分类号
G02B23/14
主分类号
G02B23/14
代理机构
代理人
主权项
地址
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