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Individual
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Individual
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Priority to ES400146ApriorityCriticalpatent/ES400146A1/es
Publication of ES400146A1publicationCriticalpatent/ES400146A1/es
ES400146A1972-02-251972-02-25Perfeccionamientos en maquinas vibradoras para la fabrica- cion de canales, bloques y bovedillas de hormigon.
ExpiredES400146A1
(es)