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Chinese Standard Classification
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GB/T 3222.1-2022 Acoustics—Description, measurement and assessment of environmental noise—Part 1: Basic quantities and assessment procedures
Issued on: 2022-03-09 Price(USD): 600.0 |
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GB/T 41283.1-2022 Acoustics—Soundscape—Part 1: Definition and conceptual framework
Issued on: 2022-03-09 Price(USD): 165.0 |
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GB/Z 38251-2019 Acoustics—Calculation of sound attenuation during propagation for electrical converter station—Engineering method
Issued on: 2019-10-18 Price(USD): 490.0 |
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JJG(铁道)130-2003 Ultrasonic Flaw Detector for Rail
Issued on: 2003-02-27 Price(USD): 195.0 |
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GB/T 17248.5-2018 Acoustics—Noise emitted by machinery and equipment—Determination of emission sound pressure levels at a work station and at other specified positions applying accurate environmental corrections
Issued on: 2018-12-28 Price(USD): 490.0 |
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GB/T 17248.3-2018 Acoustics—Noise emitted by machinery and equipment—Determination of emission sound pressure levels at a work station and at other specified positions applying approximate environmental corrections
Issued on: 2018-12-28 Price(USD): 550.0 |
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GB/T 17248.2-2018 Acoustics—Noise emitted by machinery and equipment—Determination of emission sound pressure levels at a work station and at other specified positions in an essentially free field over a reflecting plane with negligible environmental corrections
Issued on: 2018-12-28 Price(USD): 450.0 |
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GB/T 7341.5-2018 Electroacoustics—Audiometric equipment—Part 5:Instruments for the measurement of aural acoustic impedance/admittance
Issued on: 2018-06-07 Price(USD): 370.0 |
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GB/T 3785.3-2018 Electroacoustics—Sound level meters—Part 3:Periodic tests
Issued on: 2018-06-07 Price(USD): 250.0 |
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GB/T 20441.2-2018 Electroacoustics—Measurement microphones—Part 2:Primary method for pressure calibration of laboratory standard microphones by the reciprocity technique
Issued on: 2018-06-07 Price(USD): 490.0 |
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GB/T 20441.6-2017 Electroacoustics-Measurement microphones-Part 6:Electrostatic actuators for determination of frequency response
Issued on: 2017-11-01 Price(USD): 370.0 |
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GB/T 36079-2018 Acoustics—Procedures for determination of transmission loss, flow noise and total pressure loss coefficient for arrayed element dissipative silencers—Equivalent measurement
Issued on: 2018-03-15 Price(USD): 580.0 |
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GB/T 36075.3-2018 Acoustics—Measurement of room acoustic parameters—Part 3: Open plan offices
Issued on: 2018-03-15 Price(USD): 250.0 |
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GB/T 36075.2-2018 Acoustics—Measurement of room acoustic parameters—Part 2: Reverberation time in ordinary rooms
Issued on: 2018-03-15 Price(USD): 250.0 |
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GB/T 36075.1-2018 Acoustics—Measurement of room acoustic parameters—Part 1: Performance spaces
Issued on: 2018-03-15 Price(USD): 310.0 |
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GB/T 16296.1-2018 Acoustics—Audiometric test methods—Part 1:Pure-tone air and bone conduction audiometry
Issued on: 2018-03-15 Price(USD): 430.0 |
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GB/T 22157-2018 Acoustics—Specification of test tracks for measuring noise emitted by road vehicles and their tyres
Issued on: 2018-03-15 Price(USD): 670.0 |
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GB/T 21231.2-2018 Acoustics—Measurement of airborne noise emitted and structure-borne vibration induced by small air-moving devices—Part 2: Structure-borne vibration measurements
Issued on: 2018-03-15 Price(USD): 400.0 |
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GB/T 21231.1-2018 Acoustics—Measurement of airborne noise emitted and structure-borne vibration induced by small air-moving devices—Part 1: Airborne noise measurement
Issued on: 2018-03-15 Price(USD): 580.0 |
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GB/T 19889.18-2017 Acoustics―Measurement of sound insulation in buildings and of building elements―Part 18:Laboratory measurement of sound generated by rainfall on building elements
Issued on: 2017-12-29 Price(USD): 250.0 |
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