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发明名称
Verfahren und Vorrichtung zur Darstellung von elektronischem Geld.
摘要
申请公布号
DE69009274(D1)
申请公布日期
1994.07.07
申请号
DE1990609274
申请日期
1990.03.29
申请人
NIPPON TELEGRAPH AND TELEPHONE CORP., TOKIO/TOKYO
发明人
OHTA, KAZUO, ZUSHI-SHI, KANAGAWA;OKAMOTO, TATSUAKI, YOKOSUKA-SHI, KANAGAWA
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
主权项
地址
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