JJF 1954-2021
Calibration Specification for Volume Sound Sources (English Version)
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JJF 1954-2021
Standard No.
JJF 1954-2021
Language
Chinese,
Available in English version
Release Date
2021
Published By
National Metrological Technical Specifications of the People's Republic of China
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JJF 1954-2021
JJF 1954-2021 history
2021
JJF 1954-2021
Calibration Specification for Volume Sound Sources
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