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 NL160506ApriorityCriticalpatent/NL74750C/xx
Priority to NL160506Dprioritypatent/NL160506B/xx
Application grantedgrantedCritical
Publication of NL74750CpublicationCriticalpatent/NL74750C/xx