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 CH1738866DpriorityCriticalpatent/CH1738866A4/xx
Priority claimed from CH1603965Aexternal-prioritypatent/CH444765A/fr
Publication of CH1738866A4publicationCriticalpatent/CH1738866A4/xx
