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发明名称
MOBILE COMMUNICATION SYSTEM AND METHOD FOR RESTRICTING ROAMING SERVICE
摘要
申请公布号
KR20110113052(A)
申请公布日期
2011.10.14
申请号
KR20100032377
申请日期
2010.04.08
申请人
KT CORPORATION
发明人
CHO, JEONG JE
分类号
H04W4/16;H04W88/14
主分类号
H04W4/16
代理机构
代理人
主权项
地址
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