标题: BS EN ISO 11201-2010 [打印本页] 作者: liuxilin1215 时间: 2014-1-17 07:45:51 标题: BS EN ISO 11201-2010
BS EN ISO 11201:2010 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