4. Drying and gas or vapor contact with solids
  5. Apparatus
  6. Rotary drums or receptacles

Pekka Rantala

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Dryer apparatus for fiber webs

Drying and gas or vapor contact with solids – Apparatus – Rotary drums or receptacles
Patent

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Process for pretreating wood chips for pulping

Paper making and fiber liberation – Processes of chemical liberation – recovery or purification... – Chemical treatment after start or completion of mechanical...
Reexamination Certificate

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Roller screen

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

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Profile ID: LFUS-PAI-P-455702

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