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 NL53770ApriorityCriticalpatent/NL29248C/xx
Priority to NL53756Aprioritypatent/NL28167C/xx
Application grantedgrantedCritical
Publication of NL28167CpublicationCriticalpatent/NL28167C/xx