GB1104281A
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Treatment of clay minerals
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GB1066802A
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Improvements in or relating to evaporation process and apparatus
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GB1121501A
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Clay minerals
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GB1029809A
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Moulding compositions
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DE1184742B
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Process for the production of a synthetic mineral of the hectorite type
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GB1029057A
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Foundry sand compositions
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GB1016698A
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Clay grouting compositions
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GB1038089A
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Bonding material
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GB1032592A
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Chemical recovery process and apparatus
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GB1015051A
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Treatment of by-products from gases and liquids
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GB1010321A
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Treatment of solids with liquids
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GB939938A
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Improvements in or relating to activated earths
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ES254089A1
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Process for activating clays with acid
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IE24454L
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Activation of clays
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GB845645A
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Bonded fibrous materials
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GB858026A
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Improvements in or relating to the manufacture of alumina
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GB874432A
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Treatment of clay
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GB805405A
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Improvements in separating solid and liquid by filtration
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GB815924A
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Activated clays
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GB801722A
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Process for treating clays
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