A. c. to d. c. converter,申请号US19550499317-传众专利搜索

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发明名称	A. c. to d. c. converter
摘要
申请公布号	US2777981(A)	申请公布日期	1957.01.15
申请号	US19550499317	申请日期	1955.04.05
申请人	COLLINS RADIO COMPANY	发明人	RECTOR JOHN D.;FRITZE EDGAR H.;KAMMERER LEO P.
分类号	G08C19/48	主分类号	G08C19/48
代理机构		代理人
主权项
地址

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