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发明名称
Bingo board for sightless people
摘要
申请公布号
GB2217996(A)
申请公布日期
1989.11.08
申请号
GB19880003631
申请日期
1988.02.17
申请人
* THE GOVERNOR H.M.Y.C.C.
发明人
PHILIP * DERBYSHIRE;THOMAS * BROCKBANKS
分类号
A63F3/06;A63F9/00;G09B21/00
主分类号
A63F3/06
代理机构
代理人
主权项
地址
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