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Patent applications and USPTO patent grants for Sunds Defibrator Woodhandling Oy.The latest application filed is for "process for pretreating wood chips for pulping".
Patent | Date |
---|---|
Process for pretreating wood chips for pulping Grant 6,214,164 - Rantala April 10, 2 | 2001-04-10 |
Drive system of a rotating drum Grant 5,660,076 - Jonkka , et al. August 26, 1 | 1997-08-26 |
Blade system to be used in wood chipping, a blade; a guide member and a filler member as well as a method for changing blades Grant 5,660,218 - Jonkka August 26, 1 | 1997-08-26 |
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