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发明名称
method of implementing use of electronic cash
摘要
申请公布号
EP0518365(B2)
申请公布日期
2001.05.23
申请号
EP19920109934
申请日期
1992.06.12
申请人
NIPPON TELEGRAPH AND TELEPHONE CORPORATION
发明人
OKAMOTO, TATSUAKI;OHTA, KAZUO
分类号
G06Q20/00;G07F7/10;H04L9/32;(IPC1-7):G07F7/10
主分类号
G06Q20/00
代理机构
代理人
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