FR2071063A5
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Dryer for cellulose and paper - utilising air heated by circulating - hot fluid
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FR2067504A5
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Gas/solids contacting apparatus
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FR2057425A5
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Baffle arrangement for wet gas scrubber
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FR2055930A5
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Coating the interior of a hollow body
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FR2038603A6
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Improvement to equipment for disintegrating - material in a gas stream
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FR2031942A5
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Disposable band filter roll release
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FR2031943A5
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Travelling band filter
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OA1499A
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Improvements to air heating, air conditioning and room air conditioning.
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GB1004239A
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Improvements in or relating to removal of suspended matter from gases
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