Pulse position call or dial receiver,申请号US19480035911-传众专利搜索

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发明名称	Pulse position call or dial receiver
摘要
申请公布号	US2603715(A)	申请公布日期	1952.07.15
申请号	US19480035911	申请日期	1948.06.29
申请人	BELL TELEPHONE LABORATORIES, INCORPORATED	发明人	VAUGHAN HENRY E.
分类号	H04Q1/40	主分类号	H04Q1/40
代理机构		代理人
主权项
地址

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