(A) ;CENTRAL OFFICE SWITCHING SYSTEM WITH REMOTE LINE SWITCH,申请号US19760676542-传众专利搜索

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发明名称	(A) ;CENTRAL OFFICE SWITCHING SYSTEM WITH REMOTE LINE SWITCH
摘要
申请公布号	US4038498(B1)	申请公布日期	1984.07.17
申请号	US19760676542	申请日期	1976.04.12
申请人		发明人
分类号	H04Q3/00	主分类号	H04Q3/00
代理机构		代理人
主权项
地址

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