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 Germaan G HendriksfiledCriticalGermaan G Hendriks
Priority to BE590933ApriorityCriticalpatent/BE590933R/fr
Application grantedgrantedCritical
Publication of BE590933RpublicationCriticalpatent/BE590933R/fr