JJF 1289-1990
40~15000 Hz AC power reference operation technical specification (English Version)
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JJF 1289-1990
Standard No.
JJF 1289-1990
Language
Chinese,
Available in English version
Published By
National Metrological Technical Specifications of the People's Republic of China
Status
Be replaced
2011-09
Replace By
JJF 1289-2011
Latest
JJF 1289-2020
JJF 1289-1990 history
2020
JJF 1289-2020
Calibration Specification for Audiometric Equipment—Instruments for the Measurement of Otoacoustic Emissions
2011
JJF 1289-2011
Calibration Specification for Measurement Instruments of Otoacoustic Emissions
1970
JJF 1289-1990
40~15000 Hz AC power reference operation technical specification
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