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 NL124274DpriorityCriticalpatent/NL124274C/xx
Application filedfiledCritical
Priority to NL6503567Aprioritypatent/NL6503567A/xx
Publication of NL6503567ApublicationCriticalpatent/NL6503567A/xx
