Kahi i kumu: Kina Kapa inoa: JCDRILL Ka helu kumu hoʻohālike: B36,B46,B56,B66,B76,B101,B116,B131,B146 ʻAno: ʻO nā mea hana uʻi kumu Mea: daimana / kila Hoʻohana: Mining, Geotechnical, Exploration Inoa: Diamond Core Drill Bit
