Radio receiving circuit,申请号US19260133035-传众专利搜索

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发明名称	Radio receiving circuit
摘要
申请公布号	US1804526(A)	申请公布日期	1931.05.12
申请号	US19260133035	申请日期	1926.09.01
申请人	AMERICAN TELEPHONE AND TELEGRAPH COMPANY	发明人	COXHEAD HARRY B.
分类号	H03F1/54	主分类号	H03F1/54
代理机构		代理人
主权项
地址

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