Perfectionnements aux appareils pour la photographie,申请号FRD709926-传众专利搜索

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发明名称	Perfectionnements aux appareils pour la photographie
摘要
申请公布号	FR709926(A)	申请公布日期	1931.08.14
申请号	FRD709926	申请日期	1931.01.24
申请人		发明人	WOODS ALBERT HERMAN
分类号	G03B17/50	主分类号	G03B17/50
代理机构		代理人
主权项
地址

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