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DE2331557A1
|
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DEVICE FOR CONCENTRATING SOLUTIONS
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DD101297A5
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Process for the preparation of chemical compounds and in particular derivatives of natural phosphates of miterhoeed powers
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GB1310321A
|
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Treatment of sludges resulting from sewage pruification
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FR2082176A5
|
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Gas scrubber - contacting gas and spray-mist splashed up by agitators
|
|
ES322511A1
|
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Procedure for the production of phosphoric acid via humid. (Machine-translation by Google Translate, not legally binding)
|
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IL25003A
|
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Production of phosphoric acid by the wet method
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CA816614A
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Procede de production d'acide phosphorique par voie humide
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