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发明名称
KEYBOARD DEVICE
摘要
申请公布号
JPH1165735(A)
申请公布日期
1999.03.09
申请号
JP19970218502
申请日期
1997.08.13
申请人
NEC ENG LTD
发明人
MIYOSHI HIROKO
分类号
G06F3/02;G06F3/023;H03M11/04;H03M11/22;(IPC1-7):G06F3/02
主分类号
G06F3/02
代理机构
代理人
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地址
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