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BONNET AINE ET SES FILS
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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
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FR573490D1923-02-091923-02-09Méthode et appareil pour mesurer les compressions exercées sur toute matière agglomérable, dans les machines à agglomérer
ExpiredFR573490A
(fr)