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Priority to ES0249440ApriorityCriticalpatent/ES249440A1/es
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Sistema de válvula de seguridad contra escapes de gascaracterizada porque el gas entre lateralmente en su cilindro por uno o varios orificios de su pared lateralproduciéndose su apertura ú obturación por el desplazamiento del émbolo.
ES0249440A1959-05-181959-05-18Sistema de valvula de seguridad contra escapes de gas
ExpiredES249440A1
(es)