Protective circuit for high frequency oscillator tubes,申请号US19310522488-传众专利搜索

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发明名称	Protective circuit for high frequency oscillator tubes
摘要
申请公布号	US1975812(A)	申请公布日期	1934.10.09
申请号	US19310522488	申请日期	1931.03.13
申请人	WALLACE JAMES D	发明人	WALLACE JAMES D.
分类号	H03B5/34	主分类号	H03B5/34
代理机构		代理人
主权项
地址

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