Apparatus for energizing an audion circuit,申请号US19280247952-传众专利搜索

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法人/股东/高管

发明名称	Apparatus for energizing an audion circuit
摘要
申请公布号	US1826743(A)	申请公布日期	1931.10.13
申请号	US19280247952	申请日期	1928.01.19
申请人	CONNER CROUSE CORPORATION	发明人	CROUSE GEORGE B.
分类号	H02M1/14	主分类号	H02M1/14
代理机构		代理人
主权项
地址

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