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经营范围
发明名称
Perfectionnements aux motocaméras
摘要
申请公布号
FR715992(A)
申请公布日期
1931.12.12
申请号
FRD715992
申请日期
1931.04.24
申请人
PATHE CINEMA
发明人
分类号
G02B7/00
主分类号
G02B7/00
代理机构
代理人
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