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Method of obtaining gaseous methane
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Vertical tubular electric filter
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Fuel preparation for ices
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Filter
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Electric filter
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Electrodynamic filter
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Electric filter corona-forming electrode
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Corona-forming electrode
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Electric filter with self-centering corona-forming elements
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Combined electric filter
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Method of producing precipitation electrodes for electric filter
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Wave electric filter
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Electric filter with displaced longitudinal inserts of corona-forming electrodes
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Method for shaking of electric filter electrodes
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