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发明名称
Communication laboratory
摘要
申请公布号
GB2175730(A)
申请公布日期
1986.12.03
申请号
GB19860010755
申请日期
1986.05.02
申请人
DAVID ADRIAN * CHARLES
发明人
DAVID ADRIAN * CHARLES
分类号
G09B5/08;(IPC1-7):G09B5/08
主分类号
G09B5/08
代理机构
代理人
主权项
地址
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