Hole Dia 76mm Core Dia 47.6mm Wireline N Core Barrel Assembly 1800m2020-10-16 16:54:24 |
High-Toughness Wireline Core Barrel Adapter Sub BQ NQ HQ PQ2019-09-12 17:15:06 |
ISO9001 Certification Thin Wall Diamond Core Bit Height 12mm 14mm 8207192020-03-17 16:11:52 |