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发明名称
SYSTEM AND METHOD FOR PROVIDING PUSH-TO-TALK COMMUNICATION SERVICE AND COMMUNICATION TERMINAL THEREFOR
摘要
申请公布号
KR20050077431(A)
申请公布日期
2005.08.02
申请号
KR20040005313
申请日期
2004.01.28
申请人
SK TELECOM CO., LTD.
发明人
KIM, KYUNG MIN
分类号
H04W4/08;(IPC1-7):H04Q7/24
主分类号
H04W4/08
代理机构
代理人
主权项
地址
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