élément constructif pour appareils photographiques, dans, lequel on combine le métal et la résine artificielle,申请号FRD776121-传众专利搜索

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发明名称	élément constructif pour appareils photographiques, dans, lequel on combine le métal et la résine artificielle
摘要
申请公布号	FR776121(A)	申请公布日期	1935.01.17
申请号	FRD776121	申请日期	1934.07.18
申请人		发明人	FRANKE PAUL;HEIDECKE REINHOLD
分类号	G03B17/02	主分类号	G03B17/02
代理机构		代理人
主权项
地址

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