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GB924912A
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Improvements in or relating to the treatment of natural clays
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US3115416A
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Method for improving the viscosity of natural clays
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DE1205473B
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Process for improving the properties, especially the viscosity, of clays
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DE1107447B
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Pesticides
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US1921725A
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Froth breaking
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GB215327A
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Process for the production of a decolorising and deodorant black composition of matter
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GB125574A
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An Improved Process of and Apparatus for Distilling Glycerine.
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GB123302A
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An Improved Process of and Apparatus for Distilling Glycerine.
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