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 claimed from NL53756Aexternal-prioritypatent/NL28167C/xx
Application grantedgrantedCritical
Publication of NL29248CpublicationCriticalpatent/NL29248C/xx