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Hydro Nitro S A
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Hydro Nitro S A
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C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
C01B3/02—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen
C01B3/025—Preparation or purification of gas mixtures for ammonia synthesis
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FR700669D1929-08-161930-08-14Perfectionnements à l'épuration de mélanges d'azote et d'hydrogène destinés à la synthèse de l'ammoniac
ExpiredFR700669A
(fr)