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发明名称
KEYBOARD DEVICE
摘要
申请公布号
JPH02105215(A)
申请公布日期
1990.04.17
申请号
JP19880256923
申请日期
1988.10.14
申请人
NEC CORP;KOUFU NIPPON DENKI KK
发明人
MORIMOTO TATSUO;NAITO AKIRA
分类号
G06F3/023;G06K17/00
主分类号
G06F3/023
代理机构
代理人
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