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Un regulador de paso de agua y vapor en canillas o brazos de cafeteras exprés, caracterizado por que se compone esencialmente de las mismas piezas que un grifo o válvula de paso, o sea: cuerpo de grifo, prensa estopas y vástago roscado con su volante.
ES0035659U1953-04-111953-04-11Regulador de paso de agua y vapor en canillas o brazos de cafeteras exprés
ExpiredES35659Y
(es)
Un dispositivo para conseguirn un nivel exacto en los quemadores de combustible líquido tipo cazoleta, que funcionan sin mecha ni presión, y correspondiente procedimiento de realización.