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 NO460771Aexternal-prioritypatent/NO132948C/no
Publication of NO750507LpublicationCriticalpatent/NO750507L/no
Application filed by Anna Welding CorpfiledCriticalAnna Welding Corp
Priority to NO750507ApriorityCriticalpatent/NO135567C/no
Publication of NO135567BpublicationCriticalpatent/NO135567B/no
Publication of NO135567CpublicationCriticalpatent/NO135567C/no