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Bonnin Segura Federico
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Bonnin Segura Federico
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Application filed by Bonnin Segura FedericofiledCriticalBonnin Segura Federico
Priority to ES15838ApriorityCriticalpatent/ES15838A1/en
Publication of ES15838A1publicationCriticalpatent/ES15838A1/en
A procedure for transforming the concentrated one hundred forty degree soda silicate "Zwaddells" to the graduations of forty, thirty and twenty five "Baumé".