ES523450A0 - Mejoras en la patente de invencion n 494.322 por procedimiento de preparacion de una resina ureanformaldehido de baja pegajosida
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Mejoras en la patente de invencion n 494.322 por procedimiento de preparacion de una resina ureanformaldehido de baja pegajosida
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Patentes y Novedades SA
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Patentes y Novedades SA
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Publication of ES8500625A2publicationCriticalpatent/ES8500625A2/es
ES523450A1983-06-211983-06-21Mejoras en la patente de invencion n 494.322 por procedimiento de preparacion de una resina ureanformaldehido de baja pegajosida
ExpiredES8500625A2
(es)
Mejoras introducidad en la patente de invencion 507.609, referente a perfeccionamientos en los mecanismos de direccion y y frenado para las maquinas agricolas.