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发明名称
Keyboard having a number key pad capable of inputting characters
摘要
申请公布号
KR100927061(B1)
申请公布日期
2009.11.13
申请号
KR20070026869
申请日期
2007.03.20
申请人
发明人
分类号
G06F3/02
主分类号
G06F3/02
代理机构
代理人
主权项
地址
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