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ES1846000324A1846-12-101846-12-10Instrumento para desinfectar sin evaporacion, las letrinas y depositos fecales convirtiendo en abono las materias.
ExpiredES324H3
(es)
Un procedimiento perfeccionado para la perforación de las tiras o fajas de papel o de otras materias, aplicables a los aparatos neumáticos para tocar el piano.