Guizhou Full Fengming Sword Science and Tech Limited; Univ Guizhou, Cao Yang and Ning Xuemei File Chinese Patent Application for Depth-Keeping Limiting Sleeve Device of High-Speed Dimple Drill and Abrasion Loss Prediction Method of Depth-Keeping Limiting Sleeve Device.

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  • Source:
    Global IP News: Textile Patent News. 2022.