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发明名称
COMPOSITE RINGING AND COIN CONTROL VOLTAGE DETECTOR AND METHOD
摘要
申请公布号
CA2024941(A1)
申请公布日期
1991.06.09
申请号
CA19902024941
申请日期
1990.09.10
申请人
ALCATEL NA, INC.
发明人
GOZEN, YUKSEL
分类号
H04M3/30;H04M17/02;H04M19/02
主分类号
H04M3/30
代理机构
代理人
主权项
地址
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