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经营范围
发明名称
D CHANNEL MONITOR
摘要
申请公布号
EP0366788(A4)
申请公布日期
1990.12.12
申请号
EP19890907417
申请日期
1989.05.10
申请人
HARRIS CORPORATION
发明人
COFFELT, STEVEN, RICHARD;DURSTON, THOMAS, WATSON
分类号
H04M3/22;H04J3/12;H04J3/16;H04L29/14;H04Q11/04;(IPC1-7):H04J3/12
主分类号
H04M3/22
代理机构
代理人
主权项
地址
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