Telephone dial illumination,申请号US19400322088-传众专利搜索

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发明名称	Telephone dial illumination
摘要
申请公布号	US2222476(A)	申请公布日期	1940.11.19
申请号	US19400322088	申请日期	1940.03.04
申请人	AMIL CAROSELLI	发明人	CAROSELLI CLARENCE J.;SANDERS ALLEN V.
分类号	F21V33/00;H04M1/22	主分类号	F21V33/00
代理机构		代理人
主权项
地址

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