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ES218386A1
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Improvements in the sulfonation of hydrocarbons (Machine-translation by Google Translate, not legally binding)
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ES209326A1
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Improvements in the procedure of manufacturing derivatives of 2-4 dioxo chromium (Machine-translation by Google Translate, not legally binding)
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A procedure for the obtaining of a new azoderivado (Machine-translation by Google Translate, not legally binding)
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ES205024A1
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A procedure to obtain new triacenic compounds of therapeutic interest (Machine-translation by Google Translate, not legally binding)
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ES192541A1
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New procedure for the obtaining of organic thyrophosphates nitrated in position for.
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ES170524A1
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Procedure for obtaining concentrated and stable insecticide dissolutions
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