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Individual
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Individual
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Priority to ES233499ApriorityCriticalpatent/ES233499A1/en
Publication of ES233499A1publicationCriticalpatent/ES233499A1/en
Improvements introduced in the manufacture of cases, according to which each one of the integral parts of the case is constituted, from a sheet of cardboard that is cut and shaped by die cutting, simultaneously granting a peripheral depression on both sides of its edges . (Machine-translation by Google Translate, not legally binding)
ES233499A1957-02-091957-02-09Improvements introduced in the manufacture of cases (Machine-translation by Google Translate, not legally binding)
ExpiredES233499A1
(en)
Improvements in the manufacture of handles for fixing knives, sheets, penknives and similar sheets (Machine-translation by Google Translate, not legally binding)