Automatic polishing device for drill bit production
Li Xiaohuan Li Zhongyong Patents and innovation Zou Chao
[Utility Model] Automatic polishing device for drill bit production Authorization Announcement Number:CN215470402UAuthorization Announcement Date:2022.01.11Application Number:2021220542677Application Date:2021.08.30Patentee:Qidong County Fengsu Drilling Tools Co., Ltd.Inventors:Li Xiaohuan; Zou Chao; Li ZhongyongAddress:No. 101 Baihe Group, Baijia Village, Baihe Street Office, Qidong County, Hengyang City, Hunan Province 421600Classification Number:B24B29/04(2006.01)I Abstract:This utility model pertains to the surface treatment technology field of drill bit...
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