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发明名称
KEYBOARD OPERATED SYSTEM
摘要
申请公布号
GB8816739(D0)
申请公布日期
1988.08.17
申请号
GB19880016739
申请日期
1988.07.14
申请人
UNISYS CORPORATION
发明人
分类号
G06K7/00;G06K19/07;G06K19/077;G07F7/10
主分类号
G06K7/00
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代理人
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