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GB191424040A
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Improvements in or relating to Devices for Separating Solid Substances from Liquids or Liquid Masses by Suction.
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GB190719431A
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Improvements relating to Vacuum Drum Filters for Separating Solid Substances from Liquids.
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GB190429358A
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Apparatus for Mechanically Separating Solid Substances from Liquids.
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US773390A
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Drying apparatus.
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GB190212943A
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Improvements in Rotary Filters.
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GB189405911A
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Improvements in the Preparation of Manure, and in Appliances for effecting the same.
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US915436A
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Vacuum drum-filter for separating solid substances from liquids.
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