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Priority to JP5552083UpriorityCriticalpatent/JPS59162983U/ja
Publication of JPS59162983UpublicationCriticalpatent/JPS59162983U/ja
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Publication of JPS6334863Y2publicationCriticalpatent/JPS6334863Y2/ja
Methods of increasing the work efficiency of a tool by generation of a sympathetic vibration condition in the mass being worked, and high speed engines for employing said methods