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.)
Publication date
Application grantedgrantedCritical
Publication of NL130906CpublicationCriticalpatent/NL130906C/xx
Priority claimed from NL6407939Aexternal-prioritypatent/NL6407939A/xx
Priority claimed from NL6805609Aexternal-prioritypatent/NL6805609A/xx