Legal status (The legal status 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 status listed.)
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Priority to JP48113012ApriorityCriticalpatent/JPS5239486B2/ja
Priority to DE19742447473prioritypatent/DE2447473C3/de
Priority to NO74743609Aprioritypatent/NO141116C/no
Publication of JPS5061718ApublicationCriticalpatent/JPS5061718A/ja
Publication of JPS5239486B2publicationCriticalpatent/JPS5239486B2/ja
