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Priority to ES0249497ApriorityCriticalpatent/ES249497A1/es
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Aparato monobloc de doble cilindro productor de aire a presióncaracterizado esencialmente por dos cilindros que actúan por una misma fuerza en sendos departamentos portadores en sus extremos de unas zapatas de acción sobre las superficies de sus pared y que sus movimientos están controlados por sendos muelles de ejecución en los extremos de dichos muelles.
ES0249497A1959-05-201959-05-20Aparato monobloc de doble cilindro productor de aire a presiën
ExpiredES249497A1
(es)