4. Radiant energy
  5. Photocells; circuits and apparatus
  6. Optical or pre-photocell system

Martin A. Hubbe

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Method for increasing the strength of a paper or paperboard prod

Paper making and fiber liberation – Processes of chemical liberation – recovery or purification... – With chemical or physical modification of liberated fiber
Patent

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Method of improving pulp freeness using cellulase and pectinase

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

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System for on-line measurement of color, opacity and reflectance

Radiant energy – Photocells; circuits and apparatus – Optical or pre-photocell system
Patent

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Profile ID: LFUS-PAI-P-772534

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