Camera and variable focal length lens,申请号US19570691896-传众专利搜索

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发明名称	Camera and variable focal length lens
摘要
申请公布号	US2986981(A)	申请公布日期	1961.06.06
申请号	US19570691896	申请日期	1957.10.23
申请人	VEB KAMERA- UND KINOWERKE DRESDEN	发明人	PLANERT WOLFGANG;STUHMKE HORST
分类号	G03B9/07	主分类号	G03B9/07
代理机构		代理人
主权项
地址

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