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发明名称
METHOD FOR SIGNALLING EMISSION CONTINUITY ERRORS OF WERBAL INFORMATION,ESPECIALLY IN ELECTRONIC EXCHANGES
摘要
申请公布号
PL154603(B1)
申请公布日期
1991.08.30
申请号
PL19870267575
申请日期
1987.09.02
申请人
发明人
分类号
H04M;H04M11/10;(IPC1-7):H04M11/10
主分类号
H04M
代理机构
代理人
主权项
地址
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