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1972-08-22 |
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1972-06-12 |
1977-07-19 |
Unie Van Kunstmestfabrieken, B.V. |
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1976-01-21 |
1978-06-13 |
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Urea synthesis with improved heat recovery and conversion
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1978-11-30 |
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Preparation of urea
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Unie Van Kunstmestfab Bv |
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Procedimento per la produzione di urea con elevato rendimento energetico.
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