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 HU1100116(A3) 申请公布日期 2015.04.28
申请号 HU20110000116 申请日期 2008.08.28
申请人 SISTEMAS INTEGRALES DE MEDICION Y CONTROL STELLUMS.A. DE C.V. COLONIA LOMAS ALTAS CP 11950 发明人
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