Control device for roll film cameras,申请号US19510216606-传众专利搜索

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发明名称	Control device for roll film cameras
摘要
申请公布号	US2691925(A)	申请公布日期	1954.10.19
申请号	US19510216606	申请日期	1951.03.20
申请人	VOIGTLANDER & SOHN AKTIENGESELLSCHAFT	发明人	SEWIG RUDOLF F.
分类号	G03B1/66	主分类号	G03B1/66
代理机构		代理人
主权项
地址

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