%0 Dataset
%T Collection of Patents on the Design and Development of Key Equipment and Tools for Polar Drilling
%J National Cryosphere Desert Data Center
%I National Cryosphere Desert Data Center(www.ncdc.ac.cn)
%U http://www.ncdc.ac.cn/portal/metadata/3946a3c1-059e-40d8-88f0-70ab8543084f
%W NCDC
%R 10.12072/ncdc.SRIPE.db1695.2022
%A chi shenggao
%K Screw Drill Tool;Anti-Dropping;PDC Drill Bit;Diamond Composite Sheet;Rubber Formula
%X Five patents applied in Wuhan, Hubei Province from 2017 to 2020, covering technologies and innovations in anti-dropping technology for screw drill tools, PDC drill bits, diamond composite sheets, and rubber formulas.