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Chinese Standard Classification
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GB 7786-1987 Limits of sound power level for noise emitted by air compressors (for power source use) and diaphragm compressors
Issued on: 1987-05-23 Price(USD): 220.0 |
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GB/T 32522-2016 Acoustic—Electroacoustic characteristics and measurements of piezolectric spherically focusing ultrasonic transducers
Issued on: 2016-02-24 Price(USD): 490.0 |
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GB/T 20247-2006 Acoustics - Measurement of Sound Absorption in a Reverberation Room
Issued on: 2006-5-8 Price(USD): 200.0 |
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GB/T 15173-2010 Electroacoustics—Sound calibrators
Issued on: 2010-9-2 Price(USD): 930.0 |
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GB/T 3222.1-2006 Acoustics―Description measurement and assessment of environmental noise―Part 1:Basic quantities and assessment procedures
Issued on: 2006-7-25 Price(USD): 250.0 |
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GB 12524-1990 Measurement method for noise from construction site
Issued on: 1990-11-9 Price(USD): 45.0 |
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GB/T 25615-2010 Earth-moving machinery—Determination of emission sound pressure level at operators position—Dynamic test conditions
Issued on: 2010-12-1 Price(USD): 160.0 |
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GB/T 16404.3-2006 Acoustics - Determination of sound power levels of noise sources using sound intensity - Part 3: Precision method for measurement by scanning
Issued on: 2006-05-08 Price(USD): 300.0 |
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JB 9048-1999 Noise measurement and limits for cold tube mill
Issued on: 1999-6-28 Price(USD): 150.0 |
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JJF 1136-2005 Calibration Specification of Tonometers
Issued on: 2005-10-9 Price(USD): 400.0 |
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GB/T 19885-2005 Acoustics—Determination of sound insulation performance of cabins—Laboratory and in-situ measurements
Issued on: 2005-09-09 Price(USD): 180.0 |
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GB/T 25498.5-2017 Electroacoustics--Simulators of human head and ear--Part 5: 2 cm3 coupler for the measurement of hearingaids and earphones coupled to the ear by means of ear inserts
Issued on: 2017-09-07 Price(USD): 160.0 |
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GB/T 4128-1995 Acoustics-STANDARD hydrophone
Issued on: 1995-7-3 Price(USD): 120.0 |
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GB/T 17251-1998 Acoustics--Calibration method of hydrophone acceleration sensitivity
Issued on: 1998-03-18 Price(USD): 120.0 |
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GB/T 17248.4-1998 Acoustics - Noise emitted by machinery and equipment - Determination of emission sound pressure level at a workstation and at other specified position from the sound power level
Issued on: 1998-3-18 Price(USD): 150.0 |
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GB/T 18696.1-2004 Acoustics - Determination of sound absorption coefficient and impedance in impedance tubes - Part 1:Method using standing wave ratio
Issued on: 2004-5-13 Price(USD): 210.0 |
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GB 5266-1985 Measurement of the longitudinal wave velocity and attenuation for underwater acoustical materials; Pulse-tube method
Issued on: 1985-07-26 Price(USD): 120.0 |
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GB/T 21232-2007 Acoustics - Guidelines for noise control in offices and workrooms by means of acoustical screens
Issued on: 2007-11-14 Price(USD): 250.0 |
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JJF 1147-2006 Calibration Specfication for Acoustic Performance of Anechoic Rooms and Hemi-anechoic Rooms
Issued on: 2006-5-23 Price(USD): 300.0 |
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GB/T 14368-1993 - Standard ultrasonic power source
Issued on: 1993-3-17 Price(USD): 100.0 |
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