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C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
C01B21/00—Nitrogen; Compounds thereof
C01B21/20—Nitrogen oxides; Oxyacids of nitrogen; Salts thereof
C01B21/24—Nitric oxide (NO)
C01B21/26—Preparation by catalytic or non-catalytic oxidation of ammonia
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FR725535D1930-11-041931-11-03Perfectionnements apportés aux procédés relatifs à l'obtention d'acide nitrique par oxydation de l'ammoniac
ExpiredFR725535A
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