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Priority to JP19554083UpriorityCriticalpatent/JPS60104231U/ja
Publication of JPS60104231UpublicationCriticalpatent/JPS60104231U/ja
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Publication of JPS6115951Y2publicationCriticalpatent/JPS6115951Y2/ja
Steels for exhaust valves having improved fatigue strength at high temperature, corrosion resistance at room and higher temperatures and oxidation resistance