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Intervertebral disc flusher
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Ecological river course rubbish intercepting device
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River course ecological remediation's reciprocal intercepting device of rubbish
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A kind of forced seal ball valve and its valve ball height adjustment mechanism
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A kind of spiral closing device and its forced seal ball valve
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It is a kind of to switch synchronous transfer device and its forced seal ball valve of formation
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A kind of forced seal ball valve with scroll spring arrangement of clutch
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A kind of forced seal butterfly valve
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A mechanical energized sealing ball valve
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A kind of forced seal ball valve with lock device
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A kind of forced seal ball valve of many screw thread top pressures
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A kind of forced seal ball valve of the anti-particle of pure angle stroke operation
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Forced seal ball valve
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Detecting and warning system for laser attacking directions
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Work indicator for household appliance
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Greenhouse substrate conductivity real-time monitoring system based on internet of things
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Linearization predistortion method based on Volterra series
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Mine adhesive tape tearing intelligent detecting system based on machine vision
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