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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
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Organic Chemistry
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Filling Or Discharging Of Gas Storage Vessels
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Treatment Of Sludge
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DK27292D1919-03-041919-10-30
Apparatus for the Production of Acid Phosphates.
DK27292C
(en)