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发明名称
GENERALIZED TELECOMMUNICATIONS CUSTOMER SIGNALING ARRANGEMENT
摘要
申请公布号
US5182766(A)
申请公布日期
1993.01.26
申请号
US19900629891
申请日期
1990.12.19
申请人
AT&T BELL LABORATORIES
发明人
GARLAND, STUART M.
分类号
H04M1/27;H04M3/42;H04M3/44;H04Q3/47
主分类号
H04M1/27
代理机构
代理人
主权项
地址
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