화학공학소재연구정보센터
Neftyanoe Khozyaistvo, No.4, 20-21, 1998
VNIIBT lab of core-cutting tools and technical means for drilling operations
Reviewed is a wide spectrum of core-cutting tools, developed in the above mentioned lab. Commercial manufacturing has been organized drilling enterprises are constantly receiving newly designed equipment; servicing operations are conducted during coring of important objects.