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 claimed from NL110301Aexternal-prioritypatent/NL64008C/xx
Application filedfiledCritical
Publication of NL125371BpublicationCriticalpatent/NL125371B/xx