MAINTENANCE SYSTEM FOR EXCHANGE,申请号JP19970189832-传众专利搜索

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发明名称	MAINTENANCE SYSTEM FOR EXCHANGE
摘要
申请公布号	JPH1141350(A)	申请公布日期	1999.02.12
申请号	JP19970189832	申请日期	1997.07.15
申请人	NEC CORP	发明人	MIYATAKE MASATAKA
分类号	H04M3/22;(IPC1-7):H04M3/22	主分类号	H04M3/22
代理机构		代理人
主权项
地址

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