Method of providing centrex type operation using a PBX and a central switching office,申请号GB19980006192-传众专利搜索

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发明名称	Method of providing centrex type operation using a PBX and a central switching office
摘要
申请公布号	GB2326793(B)	申请公布日期	1999.06.09
申请号	GB19980006192	申请日期	1998.03.23
申请人	* MITEL CORPORATION	发明人	DEBORAH L * PINARD
分类号	H04M3/42;H04Q3/62;(IPC1-7):H04M3/42	主分类号	H04M3/42
代理机构		代理人
主权项
地址

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