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 GB868614046Aexternal-prioritypatent/GB8614046D0/en
Application filed by Bailey & Co Ltd R & AfiledCriticalBailey & Co Ltd R & A
Priority claimed from EP87305137Aexternal-prioritypatent/EP0250156B1/de
Application grantedgrantedCritical
Publication of ATE105537T1publicationCriticalpatent/ATE105537T1/de