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ES714A1879-12-311879-12-31Un procedimiento para el transporte de minerales y otras materias, empleando placas metálicas y modo de cargarlas.
ExpiredES714A1
(es)
Un sistema de tubinserción para hacer disminuirr la gravedad específica de toda clase de maderas, pastas y otros materiales aplicados a las construcciones terrestres y navales.
Un peso de corredera para cada una de las rejas de su Escarificador-Lahuerta, con más de una bolera para facilitar el tiro de la puerta de las caballerías.