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 filed by Pierre Marie Hubert Chr Gijeen, Josephus Maria VleeskensfiledCriticalPierre Marie Hubert Chr Gijeen
Priority to BE601510ApriorityCriticalpatent/BE601510A/fr
Publication of BE601510ApublicationCriticalpatent/BE601510A/fr