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发明名称
SATELITE TELEVISION COMMUNICATION SYSTEM FOR AUDIENCE POLLING AND PROCESSING ANSWERS
摘要
申请公布号
IL94519(D0)
申请公布日期
1991.03.10
申请号
IL19900094519
申请日期
1990.05.27
申请人
MAGUS LTD.
发明人
分类号
H04H20/38;H04H20/74;H04H60/33;H04N7/03;H04N7/088;H04N7/16;H04N7/173;(IPC1-7):H04N/
主分类号
H04H20/38
代理机构
代理人
主权项
地址
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