Photoelectric exposure meter,申请号US19350011140-传众专利搜索

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发明名称	Photoelectric exposure meter
摘要
申请公布号	US2092826(A)	申请公布日期	1937.09.14
申请号	US19350011140	申请日期	1935.03.14
申请人	METRAWATT AKTIENGESELLSCHAFT	发明人	BERNHARD ALBRECHT;BEYRICH GUIDO;HABERMANN HANS
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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