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发明名称
A DATA INPUT KEY
摘要
申请公布号
GB9317450(D0)
申请公布日期
1993.10.06
申请号
GB19930017450
申请日期
1993.08.23
申请人
GUAN ONG H.
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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