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RU1818607C
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Method of measuring thickness of sea ice
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RU1818606C
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Method of measuring thickness of sea ice
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RU1820448C
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Method for determining irregularity of air gap in asynchronous motor
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RU1784526C
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Device for fire-extinguishing from helicopter
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RU1784238C
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Device for fire extinguishing from a helicopter
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RU1832097C
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Helicopter container-type external load system
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RU1821646C
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Automatic device for aircraft turning to setting up lateral deviation
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RU1771768C
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Gymnastic spring-board
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RU1810072C
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Device for measuring push-off force of skaters
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RU1785992C
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Traverse for solid loads
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SU1765531A1
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Centrifugal pump flow rate ratio adjuster
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SU1763723A1
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Method of controlling flow rate ratio of centrifugal pumps
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RU1805267C
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Method for afterburning internal combustion engine exhaust gases
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RU1776619C
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Magnetic grab
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SU1765529A1
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Centrifugal pump pressure regulator
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SU1765530A1
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Centrifugal dump pressure controller
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RU1805277C
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Strain recorder for structure components
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RU1786366C
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Tensometer
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SU1739940A1
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Device to conduct experiments to register repellent signals of birds
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SU1739939A1
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Device for protecting objects from birds
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