Automatic log-off signaling for telephone systems,申请号GB19990022735-传众专利搜索

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发明名称	Automatic log-off signaling for telephone systems
摘要
申请公布号	GB9922735(D0)	申请公布日期	1999.11.24
申请号	GB19990022735	申请日期	1998.03.31
申请人	ACS WIRELESS INC	发明人
分类号	H04M3/523;H04M1/60;H04M3/42;H04M3/51;H04M3/60	主分类号	H04M3/523
代理机构		代理人
主权项
地址

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