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Priority to JP9179675ApriorityCriticalpatent/JPS5215554A/ja
Publication of JPS5215554ApublicationCriticalpatent/JPS5215554A/ja
Publication of JPS538577B2publicationCriticalpatent/JPS538577B2/ja
Struttura di coperchio in materia plastica stampata bicolore, relativi apparato e procedimento di stampaggio, nonche' contenitore per prodotti alimentari incorporante tale coperchio