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Flow nonmagnetic metering device
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Ultrasonic water meter transducer and ultrasonic water meter thereof
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Circular arc transition structure on two sides of measuring section of ultrasonic water meter
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A kind of water supply network leakage monitoring and early warning system
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A kind of Retarder electrical switching device and method
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Metering device and gauge
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Water turbidity degree measurement method based on ultrasound
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Water supply network turbidity on-line measurement device based on ultrasound
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Ultrasonic water meter method for vibration
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The screening technique of ultrasonic wave standard emission energy converter for inspection
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Rotor water gauge measures drive mechanism
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A kind of vertical valve control table and its adapter tube
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A kind of flow metering method based on data iteration
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A kind of flow measurement device and flow metering method
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A kind of intelligence water utilities terminal
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A kind of water utilities monitoring management system
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Turbidity transducer automatic pollution removing calibrating installation
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A kind of optical lens pollution level detection device and detection method
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A kind of light button with communication function and the intellectual water meter with light button
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A kind of more power supply automatic switchover circuits
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