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Electroconducting liquid level indicator
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Object displacement measuring device
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Pump
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Ice thickness measuring device
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Method for controlling thickness of ice
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Method for determining coefficient of friction of ship shell against ice and device for effecting this method
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Plant for liquid lift
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Apparatus for moulding samples
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Air-distributing device for pneumatic wave generator
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Device for measuring displacements
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Device for measuring thickness of ice
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Arrangement for towing ship model
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Pulsed pump
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Method of raising liquid
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Electrodynamic hydraulic pulser for calibrating pressure transducers
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Wave meter
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Wave suppressor of experimental basin
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Displacement-measuring device
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Beach wave suppressor for experimental model tank
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Towing device
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