Einrichtung zur Befestigung eines Vorsatzelementes fuer photographische Objektive,申请号DE1950F004040-传众专利搜索

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发明名称	Einrichtung zur Befestigung eines Vorsatzelementes fuer photographische Objektive
摘要
申请公布号	DE969857(C)	申请公布日期	1958.07.24
申请号	DE1950F004040	申请日期	1950.09.28
申请人	FRANKE & HEIDECKE, FABRIK PHOTOGR. PRAEZISIONS-APPARATE	发明人	BRETTHAUER HERMANN
分类号	G03B17/12	主分类号	G03B17/12
代理机构		代理人
主权项
地址

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