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CPC
D21C9/1094
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Parent Industries
D
TEXTILES PAPER
D21
Papermaking
D21C
PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS REGENERATION OF PULPING LIQUORS APPARATUS THEREFOR
D21C9/00
After-treatment of cellulose pulp
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D21C9/1094
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Patents Grants
last 30 patents
Information
Patent Grant
1846093
Patent number
1,846,093
Issue date
Feb 23, 1932
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Patents Applications
last 30 patents
CPC
D21C9/1094
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