Dispositif de blocage pour empêcher une double exposition involontaire dans les appareils photographiques de moyens et petits formats,申请号FRD1004952-传众专利搜索

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发明名称	Dispositif de blocage pour empêcher une double exposition involontaire dans les appareils photographiques de moyens et petits formats
摘要
申请公布号	FR1004952(A)	申请公布日期	1952.04.04
申请号	FRD1004952	申请日期	1949.11.09
申请人		发明人	GOLASZEWSKI MARIAN
分类号	G03B17/42	主分类号	G03B17/42
代理机构		代理人
主权项
地址

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