SWITCHING CIRCUIT IN A TELEPHONE DEVICE FOR SELECTING BETWEEN TWO-LINE AND KEYSYSTEM MODES OF OPERATION,申请号US19910638971-传众专利搜索

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发明名称	SWITCHING CIRCUIT IN A TELEPHONE DEVICE FOR SELECTING BETWEEN TWO-LINE AND KEYSYSTEM MODES OF OPERATION
摘要
申请公布号	US5177783(A)	申请公布日期	1993.01.05
申请号	US19910638971	申请日期	1991.01.08
申请人	THOMSON CONSUMER ELECTRONICS, INC.	发明人	KUOK, HENRY H.;LIVINGSTON, JOHN H.
分类号	H04M1/64;H04M1/654	主分类号	H04M1/64
代理机构		代理人
主权项
地址

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