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 Harry VivierfiledCriticalHarry Vivier
Priority claimed from PCT/FR1987/000479external-prioritypatent/WO1988006010A1/en
Application grantedgrantedCritical
Publication of ATE61916T1publicationCriticalpatent/ATE61916T1/en