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drill bit
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General drawing
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drill bit
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drilling tool
(1)
Subject:
geology
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Time:
2020
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2019
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Place:
Wuhan
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National Cryosphere Desert Data Center
Atlas of Drilling Tool Plans (2018-2020)
Five general drawings of drilling tools designed using CAD software in Wuhan, Hubei from 2017 to 2020, including PDC drill bits, coring drill bits, im...
visits:
2821
file size:
2.5 MiB
update time:
2025-05-29
