THERMIONIC AMPLIFIER CIRCUIT,申请号CAD394266-传众专利搜索

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发明名称	THERMIONIC AMPLIFIER CIRCUIT
摘要
申请公布号	CA394266(A)	申请公布日期	1941.01.28
申请号	CAD394266	申请日期
申请人	ELECTRIC AND MUSICAL INDUSTRIES	发明人	WILLIAM SPENCER PERCIVAL
分类号		主分类号
代理机构		代理人
主权项
地址

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