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 NL127375DpriorityCriticalpatent/NL127375C/xx
Application filedfiledCritical
Priority to NL6517051Aprioritypatent/NL6517051A/xx
Publication of NL6517051ApublicationCriticalpatent/NL6517051A/xx