TREA

PAPER-MAKING PRODUCTION OF CELLULOSE

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Industry

  • CPC
  • D21

Parent Industries

DTEXTILES PAPER

Current Industry

D21Papermaking

Sub Industries

D21BFIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS REGENERATION OF PULPING LIQUORS APPARATUS THEREFOR D21DTREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE D21FPAPER-MAKING MACHINES METHODS OF PRODUCING PAPER THEREON D21GCALENDERS ACCESSORIES FOR PAPER-MAKING MACHINES 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 D21JFIBREBOARD MANUFACTURE OF ARTICLES FROM CELLULOSIC FIBROUS SUSPENSIONS OR FROM PAPIER-MACHE
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