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FINANC DE LENS SOC IND
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FINANC DE LENS SOC IND
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Publication of FR736283ApublicationCriticalpatent/FR736283A/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
C05B1/06—Ammoniation of superphosphates
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FR736283D1931-08-201931-08-20Procédé pour la fabrication d'engrais composés
ExpiredFR736283A
(fr)