DIN EN ISO 9612:2023-03
声学 - 职业噪声暴露的测定 - 方法 (ISO/DIS 9612:2023)
Acoustics - Determination of occupational noise exposure - Methodology (ISO/DIS 9612:2023); German and English version prEN ISO 9612:2023 / Note: Date of issue 2023-01-27*Intended as replacement for DIN EN ISO 9612 (2009-09).