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发明名称	FILE UPDATE METHOD IN EXCHANGE SYSTEM
摘要
申请公布号	JPH0556149(A)	申请公布日期	1993.03.05
申请号	JP19910215708	申请日期	1991.08.28
申请人	NEC CORP	发明人	MORI HISAYUKI
分类号	H04M3/00;G06F11/20;H04Q3/545	主分类号	H04M3/00
代理机构		代理人
主权项
地址

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