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发明名称
METHOD OF PROVIDING ABBREVIATED DIALING IN COLLECT CALL SERVICE
摘要
申请公布号
KR20050059497(A)
申请公布日期
2005.06.21
申请号
KR20030091122
申请日期
2003.12.15
申请人
DACOM CO., LTD.
发明人
MOON, JUNG HYUN;KIM, IN SIK;SEO, GUN;LEE, JEONG SEOB
分类号
H04M1/27;(IPC1-7):H04M1/27
主分类号
H04M1/27
代理机构
代理人
主权项
地址
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