Keysender frequency selector,申请号US19600067144-传众专利搜索

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发明名称	Keysender frequency selector
摘要
申请公布号	US3100245(A)	申请公布日期	1963.08.06
申请号	US19600067144	申请日期	1960.11.03
申请人	FELDMAN NATHAN W	发明人	FELDMAN NATHAN W.
分类号	H04M1/50	主分类号	H04M1/50
代理机构		代理人
主权项
地址

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