Frequency shift radio telegraph receiver,申请号US19480055109-传众专利搜索

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发明名称	Frequency shift radio telegraph receiver
摘要
申请公布号	US2616969(A)	申请公布日期	1952.11.04
申请号	US19480055109	申请日期	1948.10.18
申请人	MAKI GEORGE J	发明人	MAKI GEORGE J.
分类号	H04L27/14	主分类号	H04L27/14
代理机构		代理人
主权项
地址

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