煤岩鑽頭
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PDC-zwei-Stair-Rib Coring Bohrer | Mit professionellen und produktive Fabrik ist HAINAISEN einer der führenden China Pdc zwei-Stair Rippe coring Drill bit Hersteller. Willkommen bei ... | |
81/2" HM642XG horúce predaj bitov Čína karbidu olej vŕtacie vrták | H-HNS M-matice 6-fréza 6 4-4 BLADE úroveň 2 prefektúra hierarchické X-jediný riadok G-PDC fréza vyrobené v Číne Website: | |
6 "HM352XA PDC laum khoom PDC roj Rig laum ntsis rau roj kev pob zeb Diamond Pdc laum ntsis | PDC tho khoom / matrix cev pdc khoom/pdc laum tom pob zeb diamond | |
121/4" HM662XA bästa pris gjorde i Kina elverktyg Pdc borr för oljekälla borrning | oljekälla borrning,Website:, elverktyg, PDC-borr, oljekälla borrning, volframkarbid pdc borr | |
91/2"HM952XA ベスト販売卸売砂岩 Pdc 石油およびガス掘削用ドリルビット | 石油、ガスの掘削、質の良い、石炭鉱業、 |
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