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G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
G01N3/40—Investigating hardness or rebound hardness
G01N3/42—Investigating hardness or rebound hardness by performing impressions under a steady load by indentors, e.g. sphere, pyramid
G01N3/46—Investigating hardness or rebound hardness by performing impressions under a steady load by indentors, e.g. sphere, pyramid the indentors performing a scratching movement
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Investigating Strength Of Materials By Application Of Mechanical Stress
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