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Individual
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Priority to ES0207235ApriorityCriticalpatent/ES207235A1/es
Publication of ES207235A1publicationCriticalpatent/ES207235A1/es
Válvula de seguridad contra explosiones e incendios en los motores de combustión interna compresores u otras máquinas compuesta de dos válvula unidas entre sí una de las cuales cierra el recinto de la máquina que se quiere proteger mientras que la otra recibe la presión del agua de refrigeración de la máquina y mantiene cerrada la válvula principal.
ES0207235A1953-01-051953-01-05Nuevo procedimiento de construccion mixta de armaduras para cubiertas
ExpiredES207235A1
(es)