Lens shutter with combined exposure meter, view finder and distance meter,申请号US19310557292-传众专利搜索

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法人/股东/高管

发明名称	Lens shutter with combined exposure meter, view finder and distance meter
摘要
申请公布号	US2001840(A)	申请公布日期	1935.05.21
申请号	US19310557292	申请日期	1931.08.15
申请人	ALFRED GAUTHIER;KARL BUHRLE	发明人	GAUTHIER ALFRED;BUHRLE KARL
分类号	G03B9/58	主分类号	G03B9/58
代理机构		代理人
主权项
地址

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