Perfectionnements aux dispositifs optiques pour la photographie,申请号FRD833904-传众专利搜索

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发明名称	Perfectionnements aux dispositifs optiques pour la photographie
摘要
申请公布号	FR833904(A)	申请公布日期	1938.11.04
申请号	FRD833904	申请日期	1937.07.05
申请人		发明人	GANCE ABEL;ANGENIEUX PIERRE
分类号	G02B3/08	主分类号	G02B3/08
代理机构		代理人
主权项
地址

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