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Priority to JP4927783UpriorityCriticalpatent/JPS59154790U/ja
Publication of JPS59154790UpublicationCriticalpatent/JPS59154790U/ja
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Publication of JPH0239353Y2publicationCriticalpatent/JPH0239353Y2/ja
Protection of a surge arrester with a better protection against failure from thermal overload in case of a temporary overvoltage in an electrical grid line