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 Polydoor Jozef HendrickxfiledCriticalPolydoor Jozef Hendrickx
Priority to BE603558ApriorityCriticalpatent/BE603558A/en
Publication of BE603558ApublicationCriticalpatent/BE603558A/en