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RU1788169C
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Collapsible fence
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Air cooling apparatus
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Gate
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Method for enhancing cooling capacity of water reservoir
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Bin gate
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Filter for purifying liquids from mechanical impurities
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Fire-proof curtain
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Roof for explosion-hazardous building
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Liquid heater
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Air-cooled heat exchanger
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Apparatus for measuring shear resistance of soil
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Self-emptying container
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