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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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FR466657D1913-09-191913-12-26
Process for the preparation of a refractory material with large pores, for filters and other applications
ExpiredFR466657A
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New process of agglomeration of carbon powders, metals or other materials for the manufacture of articles intended for electricity and other applications