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Application filed by Mitsubishi Pencil CofiledCriticalMitsubishi Pencil Co
Priority to ITMI920026ApriorityCriticalpatent/IT1258751B/en
Publication of ITMI920026A0publicationCriticalpatent/ITMI920026A0/en
Publication of ITMI920026A1publicationCriticalpatent/ITMI920026A1/en
Application grantedgrantedCritical
Publication of IT1258751BpublicationCriticalpatent/IT1258751B/en