![]() |
12 mm HQ Impregnated Diamond Core Bit Rock Oil Well Drilling Drill Bits2025-06-27 17:42:55 |
![]() |
Odporność na zużycie z pierścienia diamentowego z serii NQ2025-06-24 09:29:36 |
![]() |
NQ HQ PQ Customizable Impregnated Diamond Core Bit2025-06-24 09:41:27 |