
Acoustics; Measurement At The Operator's Position Of Airborne Noise Emitted By Brush Saws
出版:Swiss Standards

专家解读视频
Specifies the airborne noise emitted by brush cutters internal combustion powered; determination of sound power level using the enveloping surface method ("free field"-method) for prescribed measuring conditions.
EN 27917:1991 - Identical
ISO 7917:1987 - Identical
DIN EN 27917 (1991-11) - Identical
DIN EN 27917 : 1991 - Identical
ISO 7917 : 1987 - Identical
DIN EN 27917 E : 1991 - Identical
DIN EN 27917 : 1991 - Identical