SWITCHING SYSTEM USING DIVIDED CROSSBAR SWITCH,申请号USD3597738-传众专利搜索

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发明名称	SWITCHING SYSTEM USING DIVIDED CROSSBAR SWITCH
摘要
申请公布号	US3597738(A)	申请公布日期	1971.08.03
申请号	USD3597738	申请日期	1969.03.10
申请人	CHESTER ELECTRONIC LABORATORIES INC.	发明人	DAVID L. JOSLOW;JOHN J. BOSNAK;JAMES M. SKEFFINGTON
分类号	G09B5/12;(IPC1-7):H04Q9/00;H04Q3/54	主分类号	G09B5/12
代理机构		代理人
主权项
地址

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