Radio circuit,申请号US19270238023-传众专利搜索

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发明名称	Radio circuit
摘要
申请公布号	US1874309(A)	申请公布日期	1932.08.30
申请号	US19270238023	申请日期	1927.12.06
申请人	ARCTURUS RADIO TUBE COMPANY	发明人	KRAHL WALTER LOUIS
分类号	H04B1/16	主分类号	H04B1/16
代理机构		代理人
主权项
地址

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