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Priority to JP1980126083UpriorityCriticalpatent/JPS598033Y2/ja
Publication of JPS5647954UpublicationCriticalpatent/JPS5647954U/ja
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Publication of JPS598033Y2publicationCriticalpatent/JPS598033Y2/ja
Method for improving fatigue strength due to repeated pressure at branch hole part in member for high pressure fluid, branch hole part of member for high pressure fluid formed by the method, and member for high pressure fluid with built-in slider having the branch hole