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发明名称
Rufsignal-Unterscheidungsvorrichtung
摘要
申请公布号
DE19549112(A1)
申请公布日期
1996.08.01
申请号
DE19951049112
申请日期
1995.12.29
申请人
MITEL CORP., KANATA, ONTARIO, CA
发明人
PURITS, VALENTIN, HEUVELTON, N.Y., US
分类号
H04M19/04;H04Q1/442;(IPC1-7):H04Q1/442
主分类号
H04M19/04
代理机构
代理人
主权项
地址
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