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Twist Drill Rod Foundation Piling DTH Drilling Pipe High Performance Spiral Drill Rod

ράβδοι τρυπάνι
2025-11-05
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#Σωλήνας τρυπανιών φρεατίων νερού #Ράβδοι τρυπανιών βράχου #σωλήνας τρυπανιών πετρελαιοπηγών
Anger drill pipe adopts single or double spiral blades, which are prestressed and wound, and then welded automatically. The drill pipe body is made of alloy steel pipe for geological drilling, and the ... Δείτε περισσότερα
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Twist Drill Rod Foundation Piling DTH Drilling Pipe High Performance Spiral Drill Rod
Twist Drill Rod Foundation Piling DTH Drilling Pipe High Performance Spiral Drill Rod
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