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发明名称
KEYBOARD INPUT DEVICE
摘要
申请公布号
JPH02205118(A)
申请公布日期
1990.08.15
申请号
JP19890023712
申请日期
1989.02.03
申请人
NEC CORP
发明人
ONO TORU
分类号
G06F3/02;G06F3/023;H03M11/04
主分类号
G06F3/02
代理机构
代理人
主权项
地址
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