4. Paper making and fiber liberation
  5. Processes of chemical liberation, recovery or purification...
  6. Waste paper or textile waste

Erwin Hertl

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Process for aerating dispersions

Paper making and fiber liberation – Processes of chemical liberation – recovery or purification... – Waste paper or textile waste
Reexamination Certificate

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Process for controlling operation of a flotation cell

Classifying – separating – and assorting solids – Fluid suspension – Liquid
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2548894

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