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 DE2605088Aexternal-prioritypatent/DE2605088C2/de
Priority claimed from DE19772700660external-prioritypatent/DE2700660A1/de
Application filed by Westfael Elekt WerkefiledCriticalWestfael Elekt Werke
Publication of NO770220LpublicationCriticalpatent/NO770220L/no
Publication of NO145515BpublicationCriticalpatent/NO145515B/no
Publication of NO145515CpublicationCriticalpatent/NO145515C/no