Drill pipe

https://www.wikidata.org/wiki/Q4199385

Field Hierarchy

Parent
Engineering 23.9M papers	Materials science 18.2M papers	Mechanical engineering 5.3M papers	Metallurgy 4.7M papers
Drilling 123k papers		Drill 33.4k papers
Current
Drill pipe 4,414 papers
Child

Trends

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History