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 AT0141082Aexternal-prioritypatent/AT373229B/de
Priority claimed from AT0051183Aexternal-prioritypatent/AT384823B/de
Application filed by Veitscher Magnesitwerke Ag, Voest Alpine Ag, Korf Engineering GmbhfiledCriticalVeitscher Magnesitwerke Ag
Publication of IN162145BpublicationCriticalpatent/IN162145B/en