17 | METROLOGY AND MEASUREMENT. PHYSICAL PHENOMENA
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17.020 | Metrology and measurement in general
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17.040 | Linear and angular measurements
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17.040.01 | Linear and angular measurements in general
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17.040.10 | Limits and fits
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17.040.20 | Properties of surfaces
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17.040.30 | Measuring instruments
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17.040.40 | Geometrical Product Specification (GPS)
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17.040.99 | Other standards related to linear and angular measurements
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17.060 | Measurement of volume, mass, density, viscosity
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17.080 | Measurement of time, velocity, acceleration, angular velocity
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17.100 | Measurement of force, weight and pressure
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17.120 | Measurement of fluid flow
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17.120.01 | Measurement of fluid flow in general
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17.120.10 | Flow in closed conduits
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17.120.20 | Flow in open channels
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17.140 | Acoustics and acoustic measurements
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17.140.01 | Acoustic measurements and noise abatement in general
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17.140.20 | Noise emitted by machines and equipment
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17.140.30 | Noise emitted by means of transport
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17.140.50 | Electroacoustics
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17.140.99 | Other standards related to acoustics
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17.160 | Vibrations, shock and vibration measurements
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17.180 | Optics and optical measurements
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17.180.01 | Optics and optical measurements in general
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17.180.20 | Colours and measurement of light
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17.180.30 | Optical measuring instruments
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17.180.99 | Other standards related to optics and optical measurements
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17.200 | Thermodynamics and temperature measurements
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17.200.01 | Thermodynamics in general
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17.200.10 | Heat. Calorimetry
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17.200.20 | Temperature-measuring instruments
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17.200.99 | Other standards related to thermodynamics
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17.220 | Electricity. Magnetism. Electrical and magnetic measurements
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17.220.01 | Electricity. Magnetism. General aspects
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17.220.20 | Measurement of electrical and magnetic quantities
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17.220.99 | Other standards related to electricity and magnetism
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17.240 | Radiation measurements
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