IT1188266BIT19093/86AIT1909386AIT1188266BIT 1188266 BIT1188266 BIT 1188266BIT 19093/86 AIT19093/86 AIT 19093/86AIT 1909386 AIT1909386 AIT 1909386AIT 1188266 BIT1188266 BIT 1188266B
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsubishi Pencil CofiledCriticalMitsubishi Pencil Co
Priority to IT19093/86ApriorityCriticalpatent/IT1188266B/it
Publication of IT8619093A0publicationCriticalpatent/IT8619093A0/it
Publication of IT8619093A1publicationCriticalpatent/IT8619093A1/it
Application grantedgrantedCritical
Publication of IT1188266BpublicationCriticalpatent/IT1188266B/it