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GB/T 18699.1-2002 Acoustics--Determination of sound insulation performances of enclosures--Part 1:Measurements under laboratory conditions (for declaration purposes) - 英文版 |
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GB/T 18696.2-2002 Acoustics--Determination of sound absorption coefficient and impedance in impedance tubes--Part 2:Transfer function method - 英文版 |
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GB/T 17248.1-2000 Acoustics--Noise emitted by machinery and equipment--Guidelines forthe use of basic standards for the determination of emission sound pressure levels at a work station and at other specified positions - 英文版 |
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GB/T 16404.2-1999 Acoustics--Determination of sound power levels of noise sources using sound intensity--Part 2:Measurement by scanning - 英文版 |
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GB/T 17248.4-1998 Acoustics--Noise emitted by machinery and equipment--Determination of emission sound pressure level at a work station and at other specified position from the sound power level - 英文版 |
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GB/T 16539-1996 Acoustics--Determination of sound power levels of noise sources using vibration velocity--Measurement for seal machinery - 英文版 |
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GB/T 3768-1996 Acoustics--Determination of sound power levels of noise sources using sound pressure--Survey method using an enveloping measurement surface over a reflecting plane - 英文版 |
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GB/T 3767-1996 Acoustics--Determination of sound power levels of noise sources using sound pressure--Engineering method in an essentially free field over a reflecting plane - 英文版 |
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GB/T 16404-1996 Acoustics--Determination of sound power levels of noise sources using sound intensity--Part 1:Measurement at discrete points - 英文版 |
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GB/T 16157-1996 Determination of particulates and sampling methods of gaseous pollutants emitted from exhaust gas of stationary source - 英文版 |
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GB/T 9068-1988 Determination of sound power levels for noise emitted by heating，ventilating and air conditioning equipments--Engineering method - 英文版 |
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GB/T 4215-1984 Determination of sound power levels of noise emitted by metal cutting machine tools - 英文版 |
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GB/T 4192-1984 Method for the determination of the resistivity of tungsten and molybdenum used in electric light sources and vacuumtubes - 英文版 |
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GB/T 3770-1983 Determination of sound power level for noise emitted by woodworking machinery - 英文版 |
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