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发明名称
Tone burst generator
摘要
申请公布号
EP0610022(B1)
申请公布日期
1999.03.24
申请号
EP19940300580
申请日期
1994.01.26
申请人
AT&T CORP.
发明人
FITE, WAYNE CHARLES;PRANAITIS, WILLIAM FRED, JR.
分类号
H04M15/00;(IPC1-7):H04M1/00
主分类号
H04M15/00
代理机构
代理人
主权项
地址
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