发明名称 Prepayment system for supplying water or gas by means of a wireless intelligent card and meter for said system
摘要 <p>A prepayment system for supplying water or gas by means of a wireless intelligent card is described. The present invention also relates to a bidirectional meter specially designed to electronically record the consumption of water or gas.</p>
申请公布号 GB2474617(B) 申请公布日期 2013.04.10
申请号 GB20110002409 申请日期 2008.08.28
申请人 SISTEMAS INTEGRALES DE MEDICIA³N Y CONTROL 发明人 EDURARDO AGUSTIN NERIBADILLO
分类号 G06Q20/28;G06Q20/20;G06Q50/06 主分类号 G06Q20/28
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