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发明名称
SERVICE SYSTEM FOR DIGITAL BROADCAST RECIVER CAPABLE OF REPAIR-SERVICING AND UPGRADE-SERVICING BY THE PORTABLE MEMORY CARD IN ONLINE/OFFLINE STATE AND A METHOD SERVICING THEREOF
摘要
申请公布号
KR20050069219(A)
申请公布日期
2005.07.05
申请号
KR20030101177
申请日期
2003.12.31
申请人
SAMSUNG ELECTRONICS CO., LTD.
发明人
YUN, HYUN KYU;KWAK, HAN TAK;CHO, SUNG HUN
分类号
H04N21/433;H04N21/4425;(IPC1-7):H04N7/173
主分类号
H04N21/433
代理机构
代理人
主权项
地址
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