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General electric incandescent lamp with double luminous element
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Device to convert energy of free water flow into electric energy
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Hydroelectric pumped storage power plant for high water heads
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Stepan filipchuk apparatus for counting votes when voting in halls "vinets"
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Device for electronic vote counting when voting by ballot
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System of automated control over level crossing gate
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Roadway gate for forced retention of road transport
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Luminous power plant
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Device to melt glazed frost on overhead power transmission lines named after stepan filipchuk
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Water flow rate turbine counter
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Water and gas meter
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