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DTH hammer Bits Top Sub ສໍາລັບອຸປະກອນເສີມ Drilling Rod Drilling Bit
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ອະແດບເຕີຍ່ອຍ DTH ລົງຮູ hammer rod adapter
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Box to Pin Thread Drill Rod Connector Adapter for DTH Down The Hole Drill Pipe
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3 1/2 ເພດຊາຍ – 3 1/2 ເພດຍິງ Pin-Box connector sub ສໍາລັບ drilled rod
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Sub Drill Rod Adapter DTH Drilling Tools Thread Male Adapter Coupling
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Water Well Downhole Adapter ຜູ້ຊາຍກັບຜູ້ຊາຍ Hammer
