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GB369791A
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Improvements in or relating to cracking oils
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GB283037A
|
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A process for working vapour engines
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GB273493A
|
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A method of producing benzene by reaction between phenolic vapours and a reducing gas
|
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GB172283A
|
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Improvements in vaporisers for fuel oils
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GB146183A
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An improved process and apparatus for the distillation of tar, or the like, and other liquids
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GB143907A
|
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Improvements in bunsen burners
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AU273911B
|
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Improvements in heating 1 devices for liquid fuel
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