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Threaded Drill Pipe R22 R25 R28 R32 R38 T38 T45 T51 Wear Resistant Rock Drill Extension Rod

Mũi khoan
2025-12-16
30 quan điểm
Liên hệ ngay bây giờ
#ống khoan giếng nước #que khoan đá #ống khoan giếng dầu
The R22, R25, R28, R32, R38, T38, T45, and T51 are internationally recognized codes for a range of threaded drill rods, categorized primarily into two families: the R-series (generally for top-hammer ... Xem thêm
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Threaded Drill Pipe R22 R25 R28 R32 R38 T38 T45 T51 Wear Resistant Rock Drill Extension Rod
Threaded Drill Pipe R22 R25 R28 R32 R38 T38 T45 T51 Wear Resistant Rock Drill Extension Rod
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