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发明名称
Prepayment systems
摘要
申请公布号
GB2261979(B)
申请公布日期
1995.08.30
申请号
GB19920024195
申请日期
1992.11.18
申请人
* SCHLUMBERGER INDUSTRIES LIMITED
发明人
STEPHEN * BARK;NEVILLE GRAHAM * PATTINSON;RICHARD * KOSZYKOWSKI
分类号
G07F7/00;G07F7/08;G07F15/00;(IPC1-7):G07F15/00
主分类号
G07F7/00
代理机构
代理人
主权项
地址
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