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Priority to ES0067321UpriorityCriticalpatent/ES67321Y/es
Publication of ES67321UpublicationCriticalpatent/ES67321U/es
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Publication of ES67321YpublicationCriticalpatent/ES67321Y/es
Una almohadilla de ventilación, para embalajes, caracterizada esencialmente por el hecho de que siendo una envoltura de papel o similar, lleva un relleno de material esponjoso, como viruta u otro que se impregna según convenga de materias adecuadas a la conservación del producto envasado, comprendiendo como característica principal el hecho de presentar el papel o similar, una pluralidad de orificios en ambas caras de la almohadilla a los fines de facilitar el paso del aire y emanaciones a su través.
ES0067321U1958-07-111958-07-11Almohadilla de ventilación para embalajes
ExpiredES67321Y
(es)