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ES24060A1899-04-071899-04-07Un procedimiento para el suavizado de lanas cloradas que no son susceptibles de encogerse o reducirse.
ExpiredES24060A1
(es)
Un procedimiento para tratar el carburo de calcio con el objeto de obtener un carburo llamado "Carburo de Seguridad" que constituye un nuevo resultado industrial.
La fabricación de un líquido para la impregnación de fibras, tejidos y cuerpos hechos de fibras o tejidos que han de ser vueltos incandescentes y productores de luz.