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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3/00
Investigating strength properties of solid materials by application of mechanical stress
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G01N3/30
by applying a single impulsive force, e.g. by falling weight
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G01N3/303
generated only by free-falling weight
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