Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Voith Gmbh J MfiledCriticalVoith Gmbh J M
Publication of BR5901374UpublicationCriticalpatent/BR5901374U/en
D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
D21C1/00—Pretreatment of the finely-divided materials before digesting
BR5901374U1979-07-071979-10-15
PROCESS AND DEVICE FOR IMPREGNATING PRESSURE FIBERS FOR THE MANUFACTURE OF CELLULOSE
BR5901374U
(en)