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a device for measuring the hardness of a dry film, based on damping time required for a specified decrease in oscillation (see: pendulum hardness), seade kile kõvaduse mõõtmiseks, mis põhineb pendli võnkumise vähenemises ettenähtud sumbumisajal (vt pendelkõvadus)
pendulum hardness tester . Materjalitehnika terminibaas. Estonian Language Institute, Sõnaveeb 2026. https://sonaveeb.ee/search/unif//mtr/pendulum%20hardness%20tester/1/eng (26.07.2026)