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Publication of FR766868ApublicationCriticalpatent/FR766868A/fr
C05B1/00—Superphosphates, i.e. fertilisers produced by reacting rock or bone phosphates with sulfuric or phosphoric acid in such amounts and concentrations as to yield solid products directly
C05B1/02—Superphosphates
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FR766868D1933-01-121934-01-11Procédé pour l'obtention d'engrais
ExpiredFR766868A
(fr)