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Hitachi Ltd
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Hitachi Ltd
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Publication date
Application filed by Hitachi LtdfiledCriticalHitachi Ltd
Priority to JP4793377ApriorityCriticalpatent/JPS53134296A/en
Publication of JPS53134296ApublicationCriticalpatent/JPS53134296A/en
PURPOSE: To effectively grind and polish a free curved surface, by the use of a grindling tool which is so resilient as to be deformed to make a surface contact with the objective curved surface.