TREA

After-treatment of paper not provided for in groups D21H17/00 - D21H23/00

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Industry

  • CPC
  • D21H25/00
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Parent Industries

DTEXTILES PAPER D21Papermaking D21HPULP COMPOSITIONS PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D IMPREGNATING OR COATING OF PAPER TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G PAPER NOT OTHERWISE PROVIDED FOR

Current Industry

D21H25/00After-treatment of paper not provided for in groups D21H17/00 - D21H23/00

Sub Industries

D21H25/005Mechanical treatment D21H25/02Chemical or biochemical treatment D21H25/04Physical treatment D21H25/06of impregnated or coated paper D21H25/08Rearranging applied substances D21H25/10with blades D21H25/12with an essentially cylindrical body D21H25/14the body being a casting drum, a heated roll or a calender D21H25/16with a blast of vapour or gas D21H25/18of old paper as in books, documents
Industries