GB/T 20441.2-2018
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 20441.2-2018
Electroacoustics—Measurement microphones—Part 2: Primary method for pressure calibration of laboratory standard microphones by the reciprocity technique 电声学 测量传声器 第2部分:采用互易技术对实验室标准传声器声压校准的原级方法
Issued Date:2018
Implemented Date:2018
Issued by:
The Standardization Administration of the People's Republic of China