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 NL140152ApriorityCriticalpatent/NL65794C/nl
Priority to BE482292Aprioritypatent/BE482292A/nl
Application grantedgrantedCritical
Publication of NL65794CpublicationCriticalpatent/NL65794C/nl