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.)
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Publication date
Priority claimed from SE15245/72Aexternal-prioritypatent/SE368616B/xx
Application filed by Nordzent Teknik AbfiledCriticalNordzent Teknik Ab
Priority to DK6775ApriorityCriticalpatent/DK6775A/da
Publication of DK6775ApublicationCriticalpatent/DK6775A/da
