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发明名称
SATELLITE SIGNALLING SYSTEM HAVING A SIGNAL BEAM WITH A VARIABLE BEAM AREA
摘要
申请公布号
EP0504151(A4)
申请公布日期
1992.12.02
申请号
EP19900915899
申请日期
1990.10.15
申请人
MOTOROLA, INC.
发明人
DAVIS, WALTER, LEE
分类号
H04B7/185;H04B7/204;H04W84/02;(IPC1-7):H04B7/185
主分类号
H04B7/185
代理机构
代理人
主权项
地址
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