Perfectionnements aux appareils photographiques,申请号FRD822377-传众专利搜索

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发明名称	Perfectionnements aux appareils photographiques
摘要
申请公布号	FR822377(A)	申请公布日期	1937.12.29
申请号	FRD822377	申请日期	1936.09.01
申请人	LE MATERIEL TELEPHONIQUE	发明人
分类号	G03B7/085	主分类号	G03B7/085
代理机构		代理人
主权项
地址

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