RU1797668C
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Method for current control of rock burst hazard in mine workings
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RU1791902C
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Electric machine
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SU1763664A1
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Ore discharge method
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RU1781781C
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Mandrel for potting of winding of stator of electric machine
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RU1781439C
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Insulation checking device
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RU1773985C
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Device for protecting pipeline against freezing
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RU1789713C
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Method for supporting development workings in zone affected by stoping operations
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RU1787901C
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Belt conveyor deflecting drum
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RU1778318C
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Explosion-proof magnetic starter with diagnosing device
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RU1770574C
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Concrete support making method
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SU1766290A1
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Tractor trailer
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SU1766864A1
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Method of pavement preparation
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SU1742461A1
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Pipeline layer
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RU1777195C
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Current protective gear for power installation
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SU1762980A1
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Filter for oil purification
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SU1749134A1
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Apparatus for centering conveyer belt
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RU1773984C
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Device for protecting piping from freezing
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SU1721195A1
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Pipeline freezing protection device
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SU1751280A1
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Arrangement for protecting pipelines against freezing
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SU1739105A1
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Antifriction material
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