D.c. amplifier,申请号US19540445761-传众专利搜索

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发明名称	D.c. amplifier
摘要
申请公布号	US2900454(A)	申请公布日期	1959.08.18
申请号	US19540445761	申请日期	1954.07.26
申请人	THE GOODYEAR TIRE & RUBBER COMPANY	发明人	ENABUIT ROBERT S.
分类号	G05D23/24;H03F3/36	主分类号	G05D23/24
代理机构		代理人
主权项
地址

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