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发明名称
Appareil photographique pour l'aviation
摘要
申请公布号
FR804431(A)
申请公布日期
1936.10.23
申请号
FRD804431
申请日期
1935.07.19
申请人
发明人
BILLON MARCEL
分类号
G03B15/00
主分类号
G03B15/00
代理机构
代理人
主权项
地址
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