Light meter for cameras,申请号US19400315263-传众专利搜索

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发明名称	Light meter for cameras
摘要
申请公布号	US2330613(A)	申请公布日期	1943.09.28
申请号	US19400315263	申请日期	1940.01.23
申请人	KARL NUCHTERLEIN	发明人	NUCHTERLEIN KARL
分类号	G01J1/42	主分类号	G01J1/42
代理机构		代理人
主权项
地址

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