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ES66648A1918-03-271918-03-27Un procedimiento mejorado, con su aparato correspondiente, para conservar carne y otras sustancias alimenticias.
ExpiredES66648A1
(es)
Un aparato perfeccionado para carbonizar serrín y otras materias finamente divididas, y para tratar gases y vapores con substancias finamente divididas.
Un procedimiento con su aparato para el aprovechamiento de los analélidos (langosta) y su utilización como materia caponificable y alimento para la avicultura.