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
Priority to NL126012DpriorityCriticalpatent/NL126012C/xx
Application filedfiledCritical
Priority to NL6506138Aprioritypatent/NL6506138A/xx
Publication of NL6506138ApublicationCriticalpatent/NL6506138A/xx