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RU2138829C1
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Frequency monitoring device
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RU2133350C1
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Internal combustion engine exhaust device
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RU2137282C1
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Regulated dc voltage converter with protective gear
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RU2133230C1
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Plant for deep purification of water
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RU2133881C1
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Dredging pump
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RU2131775C1
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Device for ion-exchange cleaning of water
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RU2137318C1
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Device for stabilization of video signal amplitude
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RU2138828C1
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Device for measuring frequency deviation
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RU2142918C1
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Method of cleaning industrial waste water from ions of heavy metals
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RU2133054C1
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Distributed program-control system
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RU2143076C1
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Device for ventilation of deep open pits
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RU2130531C1
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Device for circulation treatment of well for water
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RU2137986C1
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Compressor gas dynamic supercharging system
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RU2136819C1
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Device for control of hoisting and digging mechanisms
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RU2131962C1
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Water well strainer
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RU2138014C1
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Device for automatic measurement of small angular displacements
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RU2130631C1
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Image converter
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RU2130539C1
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Window unit
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RU2140828C1
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Activator
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RU2131084C1
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Method for automatic control of level of working liquid in tank
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