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Methanation of gases
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Treatment of gases and liquids
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Leak clamp assemblies
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Treatment of gases
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Method and apparatus for blocking pressure pipes
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Protectives for photographic materials
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Ethylene production
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Improvements in or relating to balanced flue terminals
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Catalysts for reforming hydrocarbons with - steam
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Improvements in or relating to thermal insulation
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Cleaning gas mains
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Apparatus for cleaning gas mains
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Improvements in muffle furnaces
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Steam reforming catalyst
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Treatment of gases and liquids
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Treatment of gases
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