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Application filed by Improved Machinery IncfiledCriticalImproved Machinery Inc
Application grantedgrantedCritical
Publication of FI46994BpublicationCriticalpatent/FI46994B/fi
Publication of FI46994CpublicationCriticalpatent/FI46994C/fi
D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
D21C7/00—Digesters
FI304766A1965-11-181966-11-18Tapa puulastujen jatkuvaa massakeittämistä varten sekä massakeittokatt ila tämän menetelmän soveltamiseksi
FI46994C
(fi)