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发明名称
SYSTEM AND METHOD OF PROVIDING FREE TELECOMMUNICATION COUPON
摘要
申请公布号
KR20060094584(A)
申请公布日期
2006.08.30
申请号
KR20050015688
申请日期
2005.02.25
申请人
CHOI, CHANG SON;LEE, SEUNG HWAN
发明人
CHOI, CHANG SON;LEE, SEUNG HWAN
分类号
G06Q30/00
主分类号
G06Q30/00
代理机构
代理人
主权项
地址
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