旋转电机噪声测定方法及限值 噪声工程测定方法
Measurement of airborne noise emitted by rotating electrical machinery and the noise limits--Engineering method for the measurement of airborne noise
标准状态
发布于:1988-12-10
实施于:1989-07-01
已废止
Measurement of airborne noise emitted by rotating electrical machinery and the noise limits--Engineering method for the measurement of airborne noise