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 filedfiledCritical
Priority to NL6604151ApriorityCriticalpatent/NL6604151A/xx
Priority to DE19671582163prioritypatent/DE1582163A1/de
Priority to GB100967Aprioritypatent/GB1164901A/en
Priority to FR90348Aprioritypatent/FR1507639A/fr
Priority to BE692387Dprioritypatent/BE692387A/xx
Priority to AT22267Aprioritypatent/AT276831B/de
Publication of NL6604151ApublicationCriticalpatent/NL6604151A/xx