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 Rene A H DenayerfiledCriticalRene A H Denayer
Priority to BE617814ApriorityCriticalpatent/BE617814R/fr
Priority to GB3859362Aprioritypatent/GB1015507A/en
Priority to DE19621470381prioritypatent/DE1470381A1/de
Application grantedgrantedCritical
Publication of BE617814RpublicationCriticalpatent/BE617814R/fr