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发明名称
ELECTRONIC BOOK ALTERNATIVE DELIVERY SYSTEMS
摘要
申请公布号
EP1171840(A2)
申请公布日期
2002.01.16
申请号
EP20000925915
申请日期
2000.04.11
申请人
DISCOVERY COMMUNICATIONS, INC.
发明人
HENDRICKS, JOHN, S.;ASMUSSEN, MICHAEL, L.;MCCOSKEY, JOHN, S.
分类号
G06Q30/00;G06F17/30;G06Q50/00;H04N5/44;H04N5/76;H04N7/16;H04N7/173;(IPC1-7):G06F17/60
主分类号
G06Q30/00
代理机构
代理人
主权项
地址
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