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GIOVANNI CARLO BOTTAZZI
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GIOVANNI CARLO BOTTAZZI
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Filing date
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Application filed by GIOVANNI CARLO BOTTAZZIfiledCriticalGIOVANNI CARLO BOTTAZZI
Application grantedgrantedCritical
Publication of FR457327ApublicationCriticalpatent/FR457327A/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
FR457327A1912-04-151913-04-03
Crusher for superphosphates
ExpiredFR457327A
(en)