GAS ESTIMATING DEVICE
PURPOSE:To make the construction of the device simple and to reduce the number of troubles which may occur by controlling the device so that the solenoid valve provided opens with the insertion of a coin and that the solenoid valve closes after a pulse signal is received from the gas meter and the s...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | PURPOSE:To make the construction of the device simple and to reduce the number of troubles which may occur by controlling the device so that the solenoid valve provided opens with the insertion of a coin and that the solenoid valve closes after a pulse signal is received from the gas meter and the specified amount of gas has been supplied. |
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