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2022
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33mm R25 thread edge 5 tooth surface 2 tooth parabolic tooth type
33mm R25 thread edge 5 tooth surface 2 tooth parabolic tooth type, large arc powder groove, reinforced pants body design supporting H22-R25 thread drill rod anchoring rock drilling operation
33mm R25Thread Edge5TeethFace2Parabolic tooth type, large arc powder discharge groove,Reinforcing Trouser Body Design SupportingH22-R25Thread Drill Rod Anchor rock drilling operation
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2026-08-31
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