Camera view finder,申请号US19430503738-传众专利搜索

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发明名称	Camera view finder
摘要
申请公布号	US2419706(A)	申请公布日期	1947.04.29
申请号	US19430503738	申请日期	1943.09.25
申请人	BURGI CONTNER J	发明人	CONTNER J. BURGI
分类号	G03B19/18	主分类号	G03B19/18
代理机构		代理人
主权项
地址

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