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Priority to ES1966122883UpriorityCriticalpatent/ES122883Y/en
Publication of ES122883UpublicationCriticalpatent/ES122883U/en
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Publication of ES122883YpublicationCriticalpatent/ES122883Y/en
Double action sponge characterized by being constituted by two sheets of thickness suitable for the function to which they are intended spongy structure and presenting one of them soft and compact characteristics while the opposite has raspnantes and cellular characteristics, said sheets being superimposed and welded together by two edges corresponding to opposite sides in order to leave all of their corresponding surfaces independent one from the other. (Machine-translation by Google Translate, not legally binding)