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Directional Drilling In Clay Rotary Rig Core Barrel CQC Certification

Changsha Golden Drilling Machinery Co.,Ltd
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Directional Drilling In Clay Rotary Rig Core Barrel CQC Certification

Directional Drilling In Clay Rotary Rig Core Barrel CQC Certification

Directional Drilling In Clay Rotary Rig Core Barrel CQC Certification Technical Parameter of JZTG Core Barrel with Roller Bits Diameter D(mm) Bucket D1 (mm) Height H(mm) Bucket Height H1(mm) Upper ...

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