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发明名称
Key input device and apparatus for offering key combined with key display unit
摘要
申请公布号
KR100725392(B1)
申请公布日期
2007.06.07
申请号
KR20050010595
申请日期
2005.02.04
申请人
发明人
分类号
H04M1/22;H04B1/40;H04M1/23
主分类号
H04M1/22
代理机构
代理人
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地址
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