Film measuring apparatus,申请号US19400359745-传众专利搜索

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发明名称	Film measuring apparatus
摘要
申请公布号	US2338014(A)	申请公布日期	1943.12.28
申请号	US19400359745	申请日期	1940.10.04
申请人	RADIO CORPORATION OF AMERICA	发明人	SHARP THOMAS C.
分类号	G03B1/60	主分类号	G03B1/60
代理机构		代理人
主权项
地址

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