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发明名称
INFORMATION INPUT KEYBOARD
摘要
申请公布号
JPH04111110(A)
申请公布日期
1992.04.13
申请号
JP19900230381
申请日期
1990.08.31
申请人
NEC CORP
发明人
WATANABE MAKIO
分类号
H03M11/04;G06F3/023
主分类号
H03M11/04
代理机构
代理人
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地址
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