API 7- 1 certificate Short Drill Collar ( 1.5m,2.5m, 3 m,3.5m ) Type DZT
- USD $100 - $2,000 / Meter
- 1000 Meter / Meters
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API 7- 1 certificate Short Drill Collar ( 1.5m,2.5m, 3 m,3.5m ) Type DZT