Radio receiving apparatus,申请号US19270205938-传众专利搜索

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发明名称	Radio receiving apparatus
摘要
申请公布号	US1878190(A)	申请公布日期	1932.09.20
申请号	US19270205938	申请日期	1927.07.15
申请人	THE SPARKS-WITHINGTON COMPANY	发明人	SCOFIELD THEODORE J.;MINER WILLIAM
分类号	H03J1/10	主分类号	H03J1/10
代理机构		代理人
主权项
地址

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