RU1771462C
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Guide for mine lifting vessels
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RU1775035C
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Rotor centering method
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RU1776324C
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Main ventilation installation
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RU1773290C
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Multistage centrifugal pump
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SU1768028A3
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Industrial system for biological deep purifying of sewage
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SU1754615A1
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Guide for shaft hoist vessels
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RU1781568C
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Device for measurement tension of rope
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RU1778058C
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Starter for hoisting machine
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SU1746203A1
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Method of cleaning heat exchange surfaces from carbonate deposits
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SU1730465A1
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Ventilation plant
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RU1776618C
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Suspension of lifting vessel
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SU1728636A1
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Method of revolving rotors misalignment detection
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RU1787232C
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Method for positioning centered machines
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RU1783224C
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Screw pneumatic engine
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SU1726659A1
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Water-pumping unit
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SU1774933A3
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Hoist installation drum
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SU1721296A1
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Oil separator
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SU1750015A1
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Ac drive unit
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SU1703862A1
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Centrifugal fan impeller
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RU1791724C
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Device for controlling weighing machine
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