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发明名称
ELECTRONIC DEVICE WITH A VARIABLE KEYBOARD
摘要
申请公布号
KR100656810(B1)
申请公布日期
2006.12.18
申请号
KR19990006747
申请日期
1999.03.02
申请人
发明人
分类号
H04M1/23
主分类号
H04M1/23
代理机构
代理人
主权项
地址
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