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PREPAYMENT SYSTEM FOR SUPPLYING WATER OR GAS BY MEANS OF A WIRELESS INTELLIGENT CARD METER FOR SAID SYSTEM
PREPAYMENT SYSTEM FOR SUPPLYING WATER OR GAS BY MEANS OF A WIRELESS INTELLIGENT CARD METER FOR SAID SYSTEM
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机译:用于所述系统的无线智能卡仪表的补给水系统
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摘要
A PREPAYMENT SYSTEM FOR SUPPLYING WATER OR GAS BY MEANS OF A WIRELESS INTELLIGENT CARD (15) IS DESCRIBED. THE PRESENT INVENTION ALSO RELATES TO A BIDIRECTIONAL METER (18) SPECIALLY DESIGNED TO ELECTRONICALLY RECORD THE CONSUMPTION OF WATER OR GAS. FIGURE 3
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