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Exhaust gas combustion device
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Device for after-burning of waste gases
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Method of manufacture of electrodes for electric filter
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Method for cleaning electrode systems of electric filters
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Folding fibrous filter
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Method of making wooden electrodes for electrostatic separators
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Electrical filter
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Electric precipitator
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Filtering material
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Machine for thread rolling-on parts with heads
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Loading device of thread-rolling machine
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Method of assembly of receiving electrode
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Method for automatically controlling the production of elemental sulphur
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Device for securing and tensioning frame-type corona electrode elments
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Hopper closure
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Device for determination of gas component concentration ratio in elementary sulphur production
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Stage impactor
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Electric filter flat sedimentation electrode
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Method of cleaning waste gases from sulphur dioxide
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Electric insulator
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