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 Schloss & Beschlaegefabrik A GfiledCriticalSchloss & Beschlaegefabrik A G
Publication of BE613607ApublicationCriticalpatent/BE613607A/fr