Keyhole

https://www.wikidata.org/wiki/Q228039

Field Hierarchy

Parent
Engineering 23.9M papers	Materials science 18.2M papers	Composite material 8.6M papers	Mechanical engineering 5.3M papers
Metallurgy 4.7M papers		Welding 205k papers
Current
Keyhole 4,529 papers
Child

Trends

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History