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DE1009202B
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Process for the production of ferriammonium alum bound to peat or similar organic substances as a soil improver
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ES202893A1
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A procedure for the manufacture of superphosphate (Machine-translation by Google Translate, not legally binding)
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DE955773C
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Process for the production of ammonium sulphate, in particular for fertilization purposes
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GB705738A
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Superphosphate fertilisers
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DE889306C
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Steel alloys for the superphosphate cutter
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DE969267C
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Process for the production of grained or shaped superphosphate
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DE891273C
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Device for the continuous digestion of rock phosphate to superphosphate
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DE873246C
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Mixing trough for the production of superphosphate
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DE873247C
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Device for breaking down rock phosphate to superphosphate in a rotating annulus
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DE869806C
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Rotating, ring-shaped digestion chamber for the production of superphosphate or the like.
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DE942091C
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Process for the production of ammonium sulphate, especially for fertilization purposes
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DE949571C
|
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Process for the production of ammonium sulphate, especially for fertilization purposes
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DE890941C
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Process for the processing of waste acid from nitration
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DE728877C
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Process for the production of fertilizers
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DE738927C
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Process for the manufacture of superphosphate fertilizers
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DE715907C
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Process for graining superphosphate
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DE663417C
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Process for the production of superphosphate using agitator ovens
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