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发明名称
Paying for telephone services using electronic cash
摘要
申请公布号
GB0019419(D0)
申请公布日期
2000.09.27
申请号
GB20000019419
申请日期
2000.08.09
申请人
TELEFONAKTIEBOLAGET L M ERICSSON
发明人
分类号
G06Q20/00;G07F7/08;H04M17/00
主分类号
G06Q20/00
代理机构
代理人
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