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
Priority claimed from CH1548671Aexternal-prioritypatent/CH565209A5/xx
Application filedfiledCritical
Priority to DD16643272ApriorityCriticalpatent/DD103251A5/xx
Publication of DD103251A5publicationCriticalpatent/DD103251A5/xx