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bore hole drill bit
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6 inch IADC 627 TCI tricone bit We are Hebei Yichuan Drilling Equipment Manufacturing CO.,LTD First of all we want let you know that we are one of ...
2024-12-09 17:04:50
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Manufacturer Metal sealed bearingrock roller cone bits 500mm Assembly roller bit for water well drilling Commodity Size IADC Thread Connection WOB ...
2024-12-09 12:24:08
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1200mm Water oil well replaceable hole opener for HDD / rock reamer drill bit /HDD hole Commodity Size IADC Thread Connection WOB (Weight On Bit) RPM ...
2024-12-09 12:24:08
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