Legal status (The legal status 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 status listed.)
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 filedfiledCritical
Priority to FR809569ApriorityCriticalpatent/FR1249274A/fr
Priority to LU39338Dprioritypatent/LU39338A1/xx
Priority to BE596426Aprioritypatent/BE596426A/fr
Priority to GB3794260Aprioritypatent/GB915769A/en
Application grantedgrantedCritical
Publication of FR1249274ApublicationCriticalpatent/FR1249274A/fr