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Application filedfiledCritical
Priority to IT02042390ApriorityCriticalpatent/IT1248919B/it
Publication of IT9020423A0publicationCriticalpatent/IT9020423A0/it
Priority to KR1019910008484Aprioritypatent/KR910019768A/ko
Priority to CN91103423Aprioritypatent/CN1056909A/zh
Publication of IT9020423A1publicationCriticalpatent/IT9020423A1/it
Application grantedgrantedCritical
Publication of IT1248919BpublicationCriticalpatent/IT1248919B/it