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GB/T 41311.1-2022 Acoustics - Describe the quantity of underwater noise from ships and methods of measurement - Part 1: Requirements for precision measurements in deep water for comparison purposes - 英文版 |
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GB/T 38980-2020 Test method for artificial defect sizes of zirconium tube flaw detection comparison samples - 英文版 |
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GB/T 28043-2019 Statistical methods for use in proficiency testing by interlaboratory comparison - 英文版 |
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GB/T 28043-2019 Statistical methods for use in proficiency testing by interlaboratory comparison - 英文版 |
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GB/T 6881.2-2017 Acoustics—Determination of sound power levels and sound energy levels of noise sources using sound pressure—Engineering methods for small movable sources in reverberant fields—Comparison method for a hard-walled test room - 英文版 |
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GB/T 20441.5-2017 Electroacoustics—Measurement microphones—Part 5: Methods for pressure calibration of working standard microphones by comparison - 英文版 |
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GB/T 33869-2017 Comparison method for absolute pyrheliometer - 英文版 |
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GB/T 5474-2016 Plastics—Phenol formaldehyde mouldings—Determination of free ammonia and ammonium compounds—Colorimetric comparison method - 英文版 |
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GB/T 1864-2012 General methods of test for pigments and extenders - Comparison of colour of pigments - 英文版 |
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GB/T 28043-2011 Statistical methods for use in proficiency testing by interlaboratory comparisons - 英文版 |
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GB/T 14495-2009 Geometrical product specifications(GPS) - Surface texture: Profile method - Roughness comparison specimens for wooden pieces - 英文版 |
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GB/T 14901-2008 Test method for density of glass - Method of the sink-float comparison - 英文版 |
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GB/T 10628-2008 Gas analysis - Comparison methods for determining and checking the composition of calibration gas mixtures - 英文版 |
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GB/T 20485.22-2008 Methods for the calibration of vibration and shock transducers - Part 22: Shock calibration by comparison to a reference transducer - 英文版 |
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GB/T 20485.21-2007 Methods for the calibration of vibration and shock transducers - Part 21: Vibration calibration by comparison to a reference transducer - 英文版 |
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GB/T 6881.2-2002 Acoustics--Determination of sound power levels of noise sources--Engineering methods for small，movable sources in reverberant field--Part 1:Comparison method for hard-walled test rooms - 英文版 |
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GB/T 13823.16-1995 Methods for calibrationof vibration and shock pick-ups--Testing of temperature response by comparison - 英文版 |
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GB/T 5474-1985 Phenol-formaldehyde mouldings--Determination of free ammonia and ammonium compounds--Colorimetric comparison method - 英文版 |
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GB/T 5441.6-1985 Test methods for communication cable--Crosstalk attenuation test--Comparison method - 英文版 |
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