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G01L3/00—Measuring torque, work, mechanical power, or mechanical efficiency, in general
G01L3/02—Rotary-transmission dynamometers
G01L3/04—Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft
G01L3/08—Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft involving optical means for indicating
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FR582655D1923-08-151924-06-11Perfectionnements aux appareils de mesure des torsions
ExpiredFR582655A
(fr)