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ES113225A1
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Improvements in the methods of grinding or disintegrating materials in ball mills or tubes.
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ES113220A1
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An industrial process consisting of Guayula or other similar plants.
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ES113223A1
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An improved procedure to treat Guayula or similar plants and extract rubber and other products from them.
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ES113226A1
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Improvements in the equipment to grind or disintegrate materials in ball mills or tubes.
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ES113227A1
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Improvements in the treatment of plants or shrubs of Guayula and other gumíferos.
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ES113219A1
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An improved method for the treatment of plants or shrubs of Guayula.
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ES113224A1
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A new industrial product consisting of Guayula gum and derivatives or similar.
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ES113221A1
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An improved method to extract gum from Guayula plants and other gumíferos.
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ES113222A1
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An industrial product consisting of rubber or Guayula worms and the like.
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US1058186A
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Art of refining rubber.
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AU33511B
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Process and apparatus for extracting' rubber or rubberlike substances from its vegetable sources
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US1032732A
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Apparatus for separating particles of rubber from materials with which they are commingled.
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US1032733A
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Method of separating particles of rubber from materials with which they are commingled.
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US982373A
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Process of separating rubber-like gum from its vegetable source.
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