Narrow band amplifiers or the like,申请号US19540465583-传众专利搜索

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发明名称	Narrow band amplifiers or the like
摘要
申请公布号	US2829211(A)	申请公布日期	1958.04.01
申请号	US19540465583	申请日期	1954.10.29
申请人	HOFFMAN ELECTRICS CORPORATION	发明人	JACOBSEN LANCE R.
分类号	H03J7/04	主分类号	H03J7/04
代理机构		代理人
主权项
地址

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