National Mining University Compliance with the Time
Department of Metrology and Information Measuring Technologies



The patents were developed by professor Victor S. Khilov:


I) A patent for an invention - THE METHOD OF A DRILLING PROCESS was developed by professor Victor S. Khilov

) A patent for an invention - Ѳ ̲ ί ; в ̲ ί .

Abstracts of patent

I) A patent for an invention - .

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