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 Tadashi IurafiledCriticalTadashi Iura
Priority claimed from EP92910506Aexternal-prioritypatent/EP0596115B1/de
Application grantedgrantedCritical
Publication of ATE172867T1publicationCriticalpatent/ATE172867T1/de