发明名称 Sistema di prepagamento per l'erogazione di acqua o gas per mezzo di una smart card wireless e contatore per detto sistema.
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 SMAP201100009(A) 申请公布日期 2011.05.06
申请号 SM20110000009T 申请日期 2011.02.10
申请人 SISTEMAS INTEGRALES DE MEDICION Y CONTROL STELLUMS.A. DE C.V. 发明人 NERI-BADILLO EDURARDO AGUSTIN
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