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发明名称
KEYBOARD DEVICE
摘要
申请公布号
JPH06250768(A)
申请公布日期
1994.09.09
申请号
JP19930057890
申请日期
1993.02.23
申请人
NEC CORP
发明人
YAMADA TADASHI
分类号
G06F3/02;(IPC1-7):G06F3/02
主分类号
G06F3/02
代理机构
代理人
主权项
地址
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