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Ruibang Petroleum Bit co.,ltd.
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tricone bit
Specification: IADC 517
Detail: The structure features of H series bits: Rubber sealed sliding bearing bits are sealed by special type "O". Under the normal rotary speed conditions, they can stand high bit pressure. The bore surface of the cone has been tr...
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Tel : 86 535 6753850 Fax : 86 535 6753850
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