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Method and device for electrically charging and separating particles that are difficult to separate from a gas fluid
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FLUE GAS ELECTRIC SEPARATOR
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CYLINDRICAL HEATING SURFACES - SUPPORTING CONSTRUCTION FOR REGENERATIVE AIR PREHEATERS
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Net purifier for hot combustion gases
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Device for heating or drying dust-like goods
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Rotary regenerative heat exchangers
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Thermal aging control device
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Concentrically sub-divided support structure - for heat exchanger regenerators through
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Concentric supporting assembly for the heat - accumulator of regenerative heat exchange-
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Adjustable sealing device for regenerative air preheater
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Improvements in or relating to wet-type dust precipitators for purifying gases
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Drive for adjusting device for the blades of axially loaded fans
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Evaporative cooler
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Device for regulating the cooling water circuit of an injection condenser
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Natural draft cooling tower
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Injection condensing system
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Electrostatic precipitator with bypass deflection
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Wet dust extractor with a mammoth pump to promote the water circulation
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Stone chip heating system with trickle heater for separate heating of the fine-grained hot material
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Stone chip heating system
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