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 DD10417964Aexternal-prioritypatent/DD67087A1/de
Application filed by Forschungsinstitut Fuer GaeringsindustriefiledCriticalForschungsinstitut Fuer Gaeringsindustrie
Priority to DD14780670ApriorityCriticalpatent/DD85454A2/de
Priority to DE19712124846prioritypatent/DE2124846A1/de
Priority to FR7119313Aprioritypatent/FR2097812A6/fr
Priority to SU1665201Aprioritypatent/SU454748A3/ru
Priority to CS392071Aprioritypatent/CS151499B4/cs
Publication of DD85454A2publicationCriticalpatent/DD85454A2/de