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Individual
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Individual
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Priority to ES0059450UpriorityCriticalpatent/ES59450U/es
Publication of ES59450UpublicationCriticalpatent/ES59450U/es
Válvula para desagües, caracterizada por que su conducto de bajada, obtenido procedente de una barra, tubular de metal dúctil y maleable de la que se ha cortado, tiene practicado cerca de uno de sus extremos un bordón perimétrico formado por arrugamiento y doblez de las paredes del tubo, obligado a ello actuando sobre sus extremos mediante presión encontrada.
ES0059450U1957-04-091957-04-09Válvula para desagüe
PendingES59450U
(es)