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
Priority claimed from DE3509515Aexternal-prioritypatent/DE3509515C3/de
Application filed by Festo KgfiledCriticalFesto Kg
Priority claimed from EP86901790Aexternal-prioritypatent/EP0215073B2/de
Application grantedgrantedCritical
Publication of ATE61013T1publicationCriticalpatent/ATE61013T1/de