4. Solid material comminution or disintegration
  5. Processes
  6. With classifying or separating of material

Sheldon Greenspan

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Optical paper sorting method device and apparatus

Classifying – separating – and assorting solids – Sorting special items – and certain methods and apparatus for... – Condition responsive means controls separating means
Reexamination Certificate

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Paper separation and singulation apparatus and method

Solid material comminution or disintegration – Processes – With classifying or separating of material
Reexamination Certificate

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