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发明名称
Perfectionnements aux appareils photographiques stéréoscopiques
摘要
申请公布号
FR675461(A)
申请公布日期
1930.02.11
申请号
FRD675461
申请日期
1929.05.21
申请人
发明人
CORNU GUSTAVE-NORBERT
分类号
G03B35/10
主分类号
G03B35/10
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代理人
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