Ultrasonic welding

https://www.wikidata.org/wiki/Q580160

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Medicine 48.2M papers	Physics 31.7M papers	Engineering 23.9M papers	Materials science 18.2M papers
Composite material 8.6M papers	Mechanical engineering 5.3M papers	Metallurgy 4.7M papers	Radiology 3.1M papers
Acoustics 2.8M papers		Welding 205k papers
Current
Ultrasonic welding 1,870 papers
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