Variable wave generator,申请号US19390275800-传众专利搜索

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发明名称	Variable wave generator
摘要
申请公布号	US2250819(A)	申请公布日期	1941.07.29
申请号	US19390275800	申请日期	1939.05.26
申请人	RADIO CORPORATION	发明人	WOLF MENNO
分类号	H03K4/02;H03K6/00;H04J3/04	主分类号	H03K4/02
代理机构		代理人
主权项
地址

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