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system for the pressure reducing valve
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valve system for preventing water hammer
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Control valve with measuring module for valve opening rate including zero point compensation function
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Control valve with measuring module for valve opening rate including zero point compensation function
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Control valve system for preventing water hammer
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Power ganaeration for water service pipe usig the water power
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Flow-linked proportionally-controlled reduction valve system
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A piolt valve using water pressure typed actuator
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Remote control monitoring system for water supply pipe
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Remote control monitoring system of valve for water supply pipe line and method the same
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Valve system for controlling pressure of supplied water
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Valve for controlling water level
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Control valve system for emergency cutoff
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Pressure reducing and pressure sustaining control valve system
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Control valve system for preventing water hammer
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Control valve system for deep well pump
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Control valve system for booster pump
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