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 Durener Metallwerke A.G.filedCriticalDurener Metallwerke A.G.
Priority to GR420109899ApriorityCriticalpatent/GR9899B/en
Publication of GR9899BpublicationCriticalpatent/GR9899B/en