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 GB/T 17248.2-1999

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Standard Insuued on: 1999-03

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

声学机器和设备发射的噪声工作位置和其他指定位置发射声压级的测量一个反射面上方近似自由场的工程法

Category No.:	GB	Valid Status:	superseded
Issued Organization:	State Quality and Technology Supervision Bureau	Issued Date:	1999-03-08
Implemented Date:	1999-9-1	Abolished Date:
Superseded Standard.:	GB/T 17248.2-2018 Acoustics—Noise emitted by machinery and equipment—Determination of emission sound pressure levels at a work station and at other specified positions in an essentially free field over a reflecting plane with negligible environmental corrections	Superseded Date:	2018-12-28

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QC/T 454-1999 QC/T 466-1999 DB50/T 23-1999 FZ/T 95013-1999 DB37/ 265-1999 QC/T 461-1999 FZ/T 90104-1999 GB 50096-1999 GB/T 17695-1999 GB/T 17693.1-2008 TB 10219-1999 SL 234-1999 GB 4343.2-1999 GB 17691-1999 GB 14761-1999 GB 3847-1999 GB 17681-1999 GB/T 24040-1999 GB/T 17711-1999 SY/T 6358-1998

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