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 NL6516802Aexternal-prioritypatent/NL6516802A/xx
Application filed by Zweegers & Zonen P JfiledCriticalZweegers & Zonen P J
Publication of DK125501BpublicationCriticalpatent/DK125501B/da