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Magnetic induction shaftless character wheel for character wheel counter
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Magnetic induction shaftless character wheel direct reading device
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Direct-reading counter for magnetic-induction shaft-breaking character wheel
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Magnetic induction print wheel used for print wheel counter
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Magnetic induction character wheel direct reading device
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Magnetic induction character wheel counter
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Magnetic inductive character wheel direct reading device
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Magnetic inducting type direct-reading system of liquid hermetic meter
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Novel flow channel structure for ultrasonic flowmeter
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Improved gas meter wireless spread spectrum transceiving system and printed circuit board (PCB) layout structure thereof
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Internet of things enhanced wireless spread spectrum transmit-receive system and PCB layout structure thereof
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Temperature detection system applied to gas meter
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Infrared interface system for gas meter
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Supersonic gas meter and supersonic gas meter control system
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Valve control system for gas meter and gas meter
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Dc-dc power converter circuit
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RTU device with anti-thunder function
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Anti-thunder gas meter and gas metering control system
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Gas metering device and remote monitoring system
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Ultrasonic gas flow meter
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