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Individual
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Individual
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Priority to ES0180482ApriorityCriticalpatent/ES180482A2/es
Publication of ES180482A2publicationCriticalpatent/ES180482A2/es
Mejoras consistentes en disponer sobre la herramienta de trabajo fijada a la parte externa-inferior del eje de trabajo una cubierta o caja que forma entre ella y la mencionada herramienta una cámara o espacio libre con salida en uno de sus extremos por una boca de forma cilíndrica a la que se adapta un tubo de goma.
ES0180482A1947-11-131947-11-13MEJORAS INTRODUCIDAS EN EL OBJETO DE LA PATENTE PRINCIPAL NuMERO 173908
ExpiredES180482A2
(es)