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经营范围
发明名称
UNIVERSAL COMPUTER KEYBOARD
摘要
申请公布号
PL265111(A2)
申请公布日期
1988.06.09
申请号
PL19870265111
申请日期
1987.04.09
申请人
发明人
分类号
G05F;(IPC1-7):G05F/
主分类号
G05F
代理机构
代理人
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地址
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