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YUSTE XALMET MIGUEL
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YUSTE XALMET MIGUEL
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Priority to ES1973197967UpriorityCriticalpatent/ES197967Y/es
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Publication of ES197967YpublicationCriticalpatent/ES197967Y/es
Caja aislante, caracterizada esencialmente por el hecho de constar de dos placas poseedoras de escalones de encaje que se corresponden con los bordes inferior y superior de una pared anular plegable, de manera que el escalón de una de las placas ajusta en el borde inferior de dicha pared y forma el fondo de la caja, en tanto que la otra placa ajusta por su escalón en el borde superior de la pared y constituye la tapa.