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 NLAANVRAGE7900172,Aexternal-prioritypatent/NL175223C/xx
Priority claimed from NLAANVRAGE7900173,Aexternal-prioritypatent/NL175224B/xx
Application filed by Wavin BvfiledCriticalWavin Bv
Publication of GR69311BpublicationCriticalpatent/GR69311B/el