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 Shipley B EfiledCriticalShipley B E
Priority claimed from EP83901566Aexternal-prioritypatent/EP0122262B1/de
Application grantedgrantedCritical
Publication of ATE35911T1publicationCriticalpatent/ATE35911T1/de