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RS20050981A
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Pneumatic accumulation of energy of small hydraulic power-plant sources on the base of small hydroaccumulations
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RS20050281A
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Compressor unit for exploitation of sea waves energy
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YU7601A
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Economical electromechanical staircase interrupter
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YU50697A
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Universal two function lifting jack in civil engineering
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YU39996A
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Turning self-adjusting ship propeller based on rotating flaps
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YU73882A
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Plastic propulsor with self-adapting elevation angle and wing hydrodynamics
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YU23582A
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Fan rotor with self-adjusting wing aerodynamics
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YU310981A
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Double-section hidraulic motor with rotating pistons
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YU22978A
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Radio-cipher teleprinter with a circle code
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YU677A
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Self-controlling hydraulic pneumatic energy system
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YU3174A
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Differential ultrasonic tachymeter
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YU143272A
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Elastic propulsion machine
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