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 AT308563Aexternal-prioritypatent/AT255371B/de
Application filed by Studiengesellschaft Kohle MbhfiledCriticalStudiengesellschaft Kohle Mbh
Priority to AT600563ApriorityCriticalpatent/AT260177B/de
Priority to DE1493190Aprioritypatent/DE1493190C3/de
Priority to GB14965/64Aprioritypatent/GB1057911A/en
Priority to DD10387364Aprioritypatent/DD41362A5/de
Priority to SE4643/64Aprioritypatent/SE322509B/xx
Priority to FR971046Aprioritypatent/FR1390751A/fr
Priority to NL646404125Aprioritypatent/NL143430B/xx
Priority to JP2121164Aprioritypatent/JPS5410539B1/ja
Priority to BE646641Dprioritypatent/BE646641A/xx
Priority to IL22168Aprioritypatent/IL22168A/xx
Publication of AT260177BpublicationCriticalpatent/AT260177B/de
Application grantedgrantedCritical
Priority to US04/880,475prioritypatent/US3969196A/en