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Chinese Standard Classification
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| Position: Search | valid to be valid superseded to be superseded abolished to be abolished |
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GB/T 21230-2014 Acoustics―Determination of occupational noise exposure―Engineering method
Issued on: 2014-09-03 Price(USD): 550.0 |
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JJG (铁道) 130-2003 Ultrasonic Flaw Detector for Rail
Issued on: 2003-2-27 Price(USD): 180.0 |
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GB/T 15953-1995 Instruments for the measurement of aural acoustic impedance/admittance
Issued on: 1995-01-02 Price(USD): 270.0 |
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GB/T 17697-2014 Acoustics―Determination of sound power radiated into a duct by fans and other air-moving devices―In-duct method
Issued on: 2014-09-03 Price(USD): 870.0 |
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JJG (机械) 96-1992 Verification Regulation of Vibration Standard Device for Deep Groove Ball Bearings
Issued on: Price(USD): 105.0 |
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JJG (轻工) 102-1993 Verification Regulation of Portable Tonometers with Digital Display
Issued on: Price(USD): |
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JJG 746-2004 Verification Regulation for Ultrasonic Flaw Detectors
Issued on: 2004-9-21 Price(USD): 220.0 |
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JJG (交通) 027-2004 Water Transport Engineering - Verification Regulation of Nonmetal Ultrasonic Detector
Issued on: Price(USD): 150.0 |
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JJF 1279-1990 O.T.N. of the Secondary Standard for the Ultrasonic Power of Milliwatt Level
Issued on: 1990-1-1 Price(USD): 224.0 |
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JJG 2017-2005 Verification Scheme of Measuring Instruments for Underwater Sound Pressure
Issued on: 2005-4-28 Price(USD): 120.0 |
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GB/T 34828-2017 Acoustics-Test methods for the qualification of free-field environments
Issued on: 2017-11-01 Price(USD): 315.0 |
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GB/T 15952-2010 Electroacoustics - Specifications for personal sound exposure meters
Issued on: 2010-12-1 Price(USD): 320.0 |
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JJG 990-2004 Verification Regulation for Acoustic Detector
Issued on: 2004-09-21 Price(USD): 240.0 |
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GB/T 17248.2-1999 Acoustics--Noise emitted by machinery and equipment--Measurement of emission sound pressure levels at a work station and at other specified positions--Engineering method in an essentially free field over a reflecting plane
Issued on: 1999-03-08 Price(USD): 240.0 |
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GB/T 5111-1995 Acoustics-Measurement of noise emitted by railbound vehicles
Issued on: 1995-07-03 Price(USD): 264.0 |
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JJG 746-1991 for Ultrasonic Inspection Instruments
Issued on: Price(USD): 100.0 |
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GB/T 5266-2006 Acoustics—Measurements of the longitudinal wave velocity and attenuation coefficient for underwater acoustical materials—Pulse tube method
Issued on: 2006-05-08 Price(USD): 120.0 |
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JJG 176-2005 Verification Regulation of Sound Calibrators
Issued on: 2005-4-28 Price(USD): 300.0 |
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GB/T 16538-2008 Acoustics - Determination of sound power levels of noise sources using sound pressure - Comparison method in situ
Issued on: 2008-07-02 Price(USD): 280.0 |
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GB/T 3241-2010 Electroacoustics - Octave-band and fractional-octave-band filters
Issued on: 2010-12-1 Price(USD): 390.0 |
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