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C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
C01B33/00—Silicon; Compounds thereof
C01B33/08—Compounds containing halogen
C01B33/10—Compounds containing silicon, fluorine, and other elements
C01B33/103—Fluosilicic acid; Salts thereof
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FR594590D1924-05-271924-05-27Procédé et dispositif pour la récupération de l'acide hydrofluosilicique dans la fabrication des superphosphates
ExpiredFR594590A
(fr)