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ES119829A1
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A process for manufacturing sodium nitrate.
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ES118921A1
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A process for obtaining potassium nitrate.
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ES118857A1
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A process of treating crude silvinitic salts to obtain potassium-sodium nitrate or sodium potassium nitrate and soda.
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ES118829A1
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A process for the preparation of crude phosphates and potassium salts in fertilizers or fertilizers.
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ES118403A1
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A procedure for obtaining potash and soda.
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ES118402A1
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A procedure to obtain potassium nitrate and soda.
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ES116407A1
|
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A process for making potassium sulphate and soda.
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ES114801A1
|
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Procedure for the disintegration of crude phosphate.
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ES114802A1
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Process for the production of potassium nitrate with obtaining bimagnesium phosphate.
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GB316548A
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Improved process for working up crude potash salts
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ES112524A1
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Procedure for the manufacture of alkaline sulphate.
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DE561716C
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Process for processing rock phosphate and potash salts on mixed fertilizers
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GB300630A
|
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An improved process for the preparation of alkali sulphates
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ES109483A1
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Procedure for obtaining a full payment.
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ES109220A1
|
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Procedure for the manufacture of alkaline sulphate.
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