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 DE3210821Aexternal-prioritypatent/DE3210821C2/de
Application filed by Gruenbeck Josef WasseraufbfiledCriticalGruenbeck Josef Wasseraufb
Publication of NO834293LpublicationCriticalpatent/NO834293L/no
Publication of NO155708BpublicationCriticalpatent/NO155708B/no
Publication of NO155708CpublicationCriticalpatent/NO155708C/no