Aho bakomoka: Ubushinwa Izina ryikirango: JCDRILL Umubare w'icyitegererezo: AX, BX, NX, HX, PX, SX Ubwoko: Ibikoresho byo gucukura / Ibikoresho Ibikoresho: diyama / ibyuma Koresha: Ubucukuzi bw'amabuye y'agaciro, Geotechniki, Ubushakashatsi Izina: Diamond Core Drill Bit
