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Windmill working member
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RU1826953C
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System for raising submerged ships
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RU1797692C
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Magnetic water and gas meter
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SU1702874A3
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Gas concentration signalling device
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SU1718718A3
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Vigilance device
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SU1716969A3
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Arrangement for loading vegetables and fruits enclosed in netted bags
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SU1725766A3
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Device for using sea wave energy
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SU1635987A1
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Gynecologic chair
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SU1626473A1
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Radio electronic device with local cooling
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Alarm and emergency warning arrangement for for mine
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SU1638362A1
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Sealed unit for lifting liquid from well
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SU1333830A1
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Water lift
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SU1286830A1
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Electrohydraulic drive
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SU1342487A1
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Tracheotomy tube with mandrin
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