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发明名称
KEYBOARD DEVICE
摘要
申请公布号
JPH10333805(A)
申请公布日期
1998.12.18
申请号
JP19970138460
申请日期
1997.05.28
申请人
NEC CORP
发明人
HATA OSAMU
分类号
G06F3/02;H01H13/70;(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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