4. Paper making and fiber liberation
  5. Apparatus
  6. Measuring, testing, inspecting, indicating or illuminating

John Corrie Fleming Walker

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Method of selecting and/or processing wood according to...

Paper making and fiber liberation – Apparatus – Measuring – testing – inspecting – indicating or illuminating
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Method of selecting wood for chemical pulping

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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Profile ID: LFUS-PAI-P-2784999

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