Patent classifications
G
PHYSICS
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G01
MEASURING; TESTING
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G01N
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
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2203/00
Investigating strength properties of solid materials by application of mechanical stress
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G01N2203/02
Details not specific for a particular testing method
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G01N2203/06
Indicating or recording means; Sensing means
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G01N2203/0658
using acoustic or ultrasonic detectors
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