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发明名称
METHOD FOR MONITORING TELEPHONE STATUS CHANGES
摘要
申请公布号
EP0360724(A3)
申请公布日期
1991.12.18
申请号
EP19890480123
申请日期
1989.08.01
申请人
INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
DANG, MIEU-HONG;JAMES, NIGEL VICTOR;JREIJ, ELIE ANTOUN;TABORGA, JORGE ROBERTO
分类号
H04M11/00;H04M11/06;(IPC1-7):H04M11/06
主分类号
H04M11/00
代理机构
代理人
主权项
地址
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