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Individual
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Individual
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Priority to ES0266637ApriorityCriticalpatent/ES266637A3/es
Publication of ES266637A3publicationCriticalpatent/ES266637A3/es
ES0266637A1961-04-071961-04-07Perfeccionamientos en las valvulas para la regulaciën y reducciën automatica de la presiën de un liquido o de un fluido
ExpiredES266637A3
(es)