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 Rotabolt LtdfiledCriticalRotabolt Ltd
Priority claimed from EP89909030Aexternal-prioritypatent/EP0483137B1/de
Application grantedgrantedCritical
Publication of ATE116058T1publicationCriticalpatent/ATE116058T1/de