TIME DIVISION MULTIPLEX SWITCHING SYSTEM,申请号USD3597548-传众专利搜索

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发明名称	TIME DIVISION MULTIPLEX SWITCHING SYSTEM
摘要
申请公布号	US3597548(A)	申请公布日期	1971.08.03
申请号	USD3597548	申请日期	1969.03.18
申请人	AUTOMATIC TELEPHONE AND ELECTRIC CO. LTD.	发明人	JAMES WALTER DRINNAN;JOHN RICHARD FRANCIS
分类号	H04Q11/04;(IPC1-7):H04J3/00	主分类号	H04Q11/04
代理机构		代理人
主权项
地址

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