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Individual
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Priority to ES1975213255UpriorityCriticalpatent/ES213255Y/es
Publication of ES213255UpublicationCriticalpatent/ES213255U/es
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Publication of ES213255YpublicationCriticalpatent/ES213255Y/es
Disposición perfeccionada de elementos en envases bolsa, caracterizada porque esta integrada por una parte exterior constituida por una o varias capas de papel y una parte interior de plástico adaptada a su configuración en sus paredes y fondo pero no solidaria a las anteriores, a fin de constituir un conjunto impermeable y a la vez con un elevado grado de aislamiento térmico por el efecto de las cámaras de aire que quedan definidas entre las capas.
ES1975213255U1975-06-181975-06-18Disposicion perfeccionada de elementos en envases-bolsa.
ExpiredES213255Y
(es)