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发明名称
KEYBOARD APPARATUS
摘要
申请公布号
EP0364112(A3)
申请公布日期
1991.12.11
申请号
EP19890309494
申请日期
1989.09.19
申请人
COMPAQ COMPUTER CORPORATION
发明人
BUSHMAN, DOUGLAS C.
分类号
G06F3/023;(IPC1-7):G06F3/023
主分类号
G06F3/023
代理机构
代理人
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地址
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