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Priority to ES25616ApriorityCriticalpatent/ES25616A1/en
Publication of ES25616A1publicationCriticalpatent/ES25616A1/en
A mechanical and chemical process, at the same time, to manufacture and commercially exploit some inexpensive cardboard or wooden boxes or jars, which are waterproof and unassailable and can serve as a container or container for all kinds of pasty materials