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 DE19853520280external-prioritypatent/DE3520280C1/de
Priority claimed from DE19853520240external-prioritypatent/DE3520240C1/de
Application filed by Pfister GmbhfiledCriticalPfister Gmbh
Priority claimed from EP19860107414external-prioritypatent/EP0207303B1/de
Application grantedgrantedCritical
Publication of ATE45554T1publicationCriticalpatent/ATE45554T1/de