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Tahnehjelm Otto B
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Tahnehjelm Otto B
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Priority to ES9818ApriorityCriticalpatent/ES9818A1/es
Publication of ES9818A1publicationCriticalpatent/ES9818A1/es
Un procedimiento con su aparato especial para la fabricación del gas propio para la calefacción y el alumbrado, por medio del agua y los hidrocarburos.
Un procedimiento, con su correspondiente dispositivo, para encender las lámparas sumergidas destinadas a la esterilización por medio de rayos ultra violetas.