Network linkage type private branch exchange system and control method thereof,申请号AU20010038889-传众专利搜索

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发明名称	Network linkage type private branch exchange system and control method thereof
摘要
申请公布号	AU780487(B2)	申请公布日期	2005.03.24
申请号	AU20010038889	申请日期	2001.04.24
申请人	NEC CORPORATION	发明人	TATSUYA MIYAUCHI
分类号	H04M3/51;H04M3/42;H04M7/00;H04M11/00;H04Q3/58;(IPC1-7):H04L12/50;H04L12/52;H04L29/06	主分类号	H04M3/51
代理机构		代理人
主权项
地址

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