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Beijing jiayou xincheng industry and trade co. LTD
Beijing jiayou xincheng industry and trade co. LTD
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Apfcbr Double Shell Core Barrels Drilling Backfill Weathered Formations

Beijing jiayou xincheng industry and trade co. LTD
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Apfcbr Double Shell Core Barrels Drilling Backfill Weathered Formations

Apfcbr Double Shell Core Barrels Drilling Backfill Weathered Formations

APFCBR Double Shell Core Barrel Features: Double-shell design. Adopted when coring is hard to be made in one time for large-diameter borehole, thus improving drilling efficiency. Applicable stratum: ...

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