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PREPAYMENT SYSTEM FOR SUPPLYING WATER OR GAS BY MEANS OF A WIRELESS INTELLIGENT CARD AND METER FOR SAID SYSTEM
PREPAYMENT SYSTEM FOR SUPPLYING WATER OR GAS BY MEANS OF A WIRELESS INTELLIGENT CARD AND METER FOR SAID SYSTEM
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机译:通过无线智能卡和计量表提供水或气的预付款系统
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摘要
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.
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