Radio receiving apparatus,申请号US19360117831-传众专利搜索

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发明名称	Radio receiving apparatus
摘要
申请公布号	US2117043(A)	申请公布日期	1938.05.10
申请号	US19360117831	申请日期	1936.12.28
申请人	JOHN Y. SOCOTCH	发明人	SORENSON THOYER
分类号	H03J1/04	主分类号	H03J1/04
代理机构		代理人
主权项
地址

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