GB/T 20441.8-2025 China
national
standard english version:
GB
中华人民共和国
国家标准
NATIONAL
STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 20441.8-2025
Electroacoustics - Measurement Microphones - Part 8: Comparative Method for Determining the Free-Field Sensitivity of Working Standard Microphones 电声学-测量传声器-第8部分：测定工作标准传声器自由场灵敏度的比较法
Issued Date:2025/5/30
Implemented Date:2025/5/30
Issued by:
The Standardization Administration of the People's Republic of China
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