Prepayment gas meter device
The utility model discloses a prepayment gas meter device, comprising a gas meter, a counter, and a special controller for copying the data of the gas meter. The prepayment gas meter device overcomes the shortages that the background art needs to enter users houses to copy service data, etc., capabl...
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Main Authors | , , |
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Format | Patent |
Language | English |
Published |
09.06.1999
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Edition | 6 |
Subjects | |
Online Access | Get full text |
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