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Priority to ES75587ApriorityCriticalpatent/ES75587A1/es
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ES75587A1920-09-161920-09-16Un procedimiento industrial para obtener, de las melazas de la caña de azúcar, la levulosa que contienen.
ExpiredES75587A1
(es)
Mejoras en el funcionamiento de las instalaciones de vapor, provistas de vapor, provistas de un acumulador de vapor, con la disposición correspondiente para facilitar aquel.