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EMILE BRACQ LAURENT
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EMILE BRACQ LAURENT
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Application grantedgrantedCritical
Publication of FR425210ApublicationCriticalpatent/FR425210A/en
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
C05B1/10—Apparatus for the manufacture of superphosphates
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Chemical & Material Sciences
(AREA)
Organic Chemistry
(AREA)
FR425210D1910-12-151910-12-15
Method and device for the continuous and mechanical manufacture of superphosphate in cellars
ExpiredFR425210A
(en)