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 NL6401754ApriorityCriticalpatent/NL6401754A/xx
Priority to GB780365Aprioritypatent/GB1047415A/en
Priority to DE1965S0095618prioritypatent/DE1519697A1/de
Priority to FR6667Aprioritypatent/FR1425154A/fr
Priority to BE660112Dprioritypatent/BE660112A/xx
Publication of NL6401754ApublicationCriticalpatent/NL6401754A/xx
