RU1781717C
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Isolator of horizontally-rotatable type with phase-by-phase control
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RU1820443C
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Method for automatic high-speed changing over to emergency power source of electrical installation
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RU1833935C
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Apparatus for signalling about a dangerous approach to current leading parts of an electric device
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SU1733810A1
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Self-sealing disk valve with relief
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SU1657466A1
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Hoisting device
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SU1652275A1
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Load grip
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SU1727186A1
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Device for protection of synchronous electric machine against internal damage
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SU1688348A1
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Distance supply-line switch control containing current protection unit and automatic reclosing unit
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SU1700676A1
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Method of automatic allocation of damaged section of power line
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SU1576279A1
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Arrangement for supply lubricant coolant to the zone of working with metal brushes
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SU1660100A1
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Method for switching-on of two a c sources for parallel operation
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SU1518088A1
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Device for cutting tubes
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SU1641544A1
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Method for removal of internal flash
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SU1467590A1
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Switching apparatus unit
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SU1543102A1
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Method of starting a counterpressure turbine
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SU1460530A1
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Centrifugal separator
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SU1372403A1
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Switching module
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SU1337618A1
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Device for controlling air flow
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SU1285206A1
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Axial guide vanes of centrifugal fan
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SU1300254A1
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Method for controlling working medium supply to boiler
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