Patent classifications
G
PHYSICS
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G01
MEASURING; TESTING
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G01L
MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
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3/00
Measuring torque, work, mechanical power, or mechanical efficiency, in general
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G01L3/26
Devices for measuring efficiency, i.e. the ratio of power output to power input
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