DIN 45635-1655:1982
机器空气噪声的测量.空气噪声测量.包络面法.木工机床.最终修整机、边角加工机和镶边机的特殊规定
Measurement of noise emitted by machines; Airborne noise measurement, enveloping surface method; Woodworking machines; Special specifications for final trimming machines and edge lipping and banding machines