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 filed by EumigfiledCriticalEumig
Priority to AT458367ApriorityCriticalpatent/AT268885B/de
Priority to DE19681772298prioritypatent/DE1772298A1/de
Priority to US726813Aprioritypatent/US3542310A/en
Priority to FR1565878Dprioritypatent/FR1565878A/fr
Priority to GB1233708Dprioritypatent/GB1233708A/en
Application grantedgrantedCritical
Publication of AT268885BpublicationCriticalpatent/AT268885B/de