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Drill

https://www.wikidata.org/wiki/Q58964

Field Hierarchy

Parent
Engineering 24.7M papers	Materials science 18.8M papers	Mechanical engineering 5.4M papers	Metallurgy 4.9M papers
Current
Drill 34.1k papers
Child
Drill pipe 4,506 papers	Drill bit 3,700 papers	Drill string 3,265 papers	Drill hole 1,844 papers
Deep hole drilling 1,637 papers

Trends

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History