SE109317C1SE35739ASE35739ASE109317C1SE 109317 C1SE109317 C1SE 109317C1SE 35739 ASE35739 ASE 35739ASE 35739 ASE35739 ASE 35739ASE 109317 C1SE109317 C1SE 109317C1
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Sweden
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SE35739A
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Priority to SE35739ApriorityCriticalpatent/SE109317C1/xx
Publication of SE109317C1publicationCriticalpatent/SE109317C1/xx
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
D21C1/10—Physical methods for facilitating impregnation