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B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
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FR466657D1913-09-191913-12-26Procédé pour la préparation d'une matière réfractaire à larges pores, pour filtres et autres applications
ExpiredFR466657A
(fr)
Nouveau procédé d'agglomération de poudres de carbone, métaux ou autres matières pour la confection d'objets destinés à l'électricité et autres applications