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 CS9273ApriorityCriticalpatent/CS148313B1/cs
Priority to CH242768Aprioritypatent/CH506958A/de
Priority to BE711169Dprioritypatent/BE711169A/xx
Priority to ES350994Aprioritypatent/ES350994A1/es
Priority to AT187568Aprioritypatent/AT286853B/de
Priority to GB9340/68Aprioritypatent/GB1188874A/en
Priority to AT688769Aprioritypatent/AT288940B/de
Priority to FR1577326Dprioritypatent/FR1577326A/fr
Priority to NL6802879Aprioritypatent/NL6802879A/xx
Priority to DE19681692903prioritypatent/DE1692903A1/de
Publication of CS148313B1publicationCriticalpatent/CS148313B1/cs