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Stretching type water meter box
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Check valve core structure of water meter
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A kind of wireless data terminal structure
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A kind of photoelectric direct-reading sensor device and self-sensing method
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A kind of Snap ring structure of dry-type meter
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A kind of water meter counter
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A kind of printing device of character wheel production line
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A kind of packing device of character wheel production line
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A kind of cover plate automatic pressing machine
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A kind of shell of water flowmeter overpressure resistance detecting device
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A kind of Error Detection Unit of character wheel production line
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A kind of multithread remote transmitting water meter
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A kind of device of quick detection infrared receiver tube open circuit
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Uniflow dry-type water meter
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Multiple-stream water meter
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Vacuum-pumping water locking device
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Holddown for water meter shell holders and water meter shell holder with same
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Uniflow locking machine
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Detection device for metrological characteristics of water meter and detection method for using same
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Water meter snap ring locking device
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