| 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 |
KR101443148(B1) |
申请公布日期 |
2014.09.23 |
| 申请号 |
KR20127017334 |
申请日期 |
2008.08.28 |
| 申请人 |
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| 分类号 |
G01F15/075;G06Q20/28;G06Q50/06 |
主分类号 |
G01F15/075 |
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