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The 100th Anniversary of the Establishment of the Carbide: Carbide Bit

Author(s): A.A. Kozhevnykov, B.T. Ratov, M.T. Arshidinova, V.L. Khomenko, A.R. Bayboz and B.F. Sabirov

The goal of this paper is analysis of the history of the creation of the first carbide bits. In which conducted patent research on databases of leading in the research and development for the countries of the world, as well as on patent-associated literature. The result of this paper considers the history of tungsten carbide drill bits, and identified the first carbide rock-cutting as a tool for core drilling. We consider names of the inventors of the first patented bits in the world and the Soviet Union.

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