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 Vettivetpillai KetharanathanfiledCriticalVettivetpillai Ketharanathan
Priority claimed from EP84903800Aexternal-prioritypatent/EP0160025B1/de
Application grantedgrantedCritical
Publication of ATE48532T1publicationCriticalpatent/ATE48532T1/de