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US2187637A
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Apparatus for the electrostatic separation of particles having different electrical susceptibilities
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US2163332A
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Apparatus for accurate pneumatic separation of particles of a mass
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US2115674A
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Apparatus for removing friable matter from beans, peas, and other legumes
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US2137679A
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Process of separating a mass of seeds of varied characteristics
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US2137678A
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Apparatus for separating a mass of seeds of varied characteristics
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US1982601A
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Process and apparatus for the separation of particles composing a mass
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US1692910A
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Cutting finger for separating machines
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US1705342A
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Apparatus for the separation of dry materials
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US1375741A
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Process of and apparatus for progressive electrostatic separation of comminuted material
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US1133760A
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Process of and apparatus for separating and grading seeds
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CA164863A
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Sizing apparatus for comminuted materials
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US1114935A
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Process and apparatus for sizing or classifying comminuted materials.
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US1119662A
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Process of and apparatus for sizing comminuted material.
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US1136293A
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Process of and apparatus for classifying comminuted material.
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US1141852A
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Process of and apparatus for sizing or classifying comminuted materials.
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CA155325A
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Separator for comminuted material
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US1073645A
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Process of and apparatus for progressive electrostatic separation of comminuted materials.
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US1073644A
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Separating-table and process of separation.
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US1017701A
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Electrostatic separator.
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US1020063A
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Process of electrostatic separation.
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