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发明名称
PREPAYMENT WATER METERING SYSTEMS
摘要
申请公布号
GB9224194(D0)
申请公布日期
1993.01.06
申请号
GB19920024194
申请日期
1992.11.18
申请人
SCHLUMBERGER INDUSTRIES LIMITED
发明人
分类号
G07F7/00;G07F7/08;G07F15/00
主分类号
G07F7/00
代理机构
代理人
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