jjf 1270
jjf 1270, Total:10 items.
The international standard classification for "jjf 1270" includes: .
The Chinese standard classification for "jjf 1270" includes: Acoustic Measurement .
National Metrological Technical Specifications of the People's Republic of China
- JJF 1270-1990 O.T.N of the Secondary Standard for Coupler Reciprocity Method Acoustical Pressure
- JJF 1270-2010 Calibration Specification for Temperature/Humidity/Vibration Combined Environmental Testing System
未注明发布机构
- JJF 1778-2019 Program of Pattern Evaluation of Intermittent Measurement Clinical Electronic Thermometers
- JJF 1637-2017 Calibration Specification for Base Metal Thermocouples
- JJF 1847-2020 Calibration Specification for Electronic balance
- JJF 1864-2020 Calibration Specification for Aerosol Spectrometers
- JJF 1765-2019 Program of Pattern Evaluation of UV Radiometers
- JJF 1853-2020 Calibration Specification for Sound Intensity Calibrators
International Organization for Standardization (ISO)
American Society for Testing and Materials (ASTM)
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