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GB 9706.237-2020
Medical electrical equipment—Part 2-37: Particular requirements for the basic safety and essential performance of ultrasonic medical diagnostic and monitoring equipment
GB/T 16857.901-2020
Geometrical product specifications (GPS)—Acceptance and reverification tests for coordinate measuring machines (CMM)—Part 901: CMMs with multiple imaging probing system
GB/T 4595-2020
Measurement of noise on board vessels
GB/T 19873.3-2019
Condition monitoring and diagnostics of machines—Vibration condition monitoring—Part 3:Guidelines for vibration diagnosis
GB/T 335-2019
Non-self-indicating instrument
GB/T 38317.31-2019
Space and fixing dimensions for smart electricity meter—Part 31: Electrical interface
GB/T 38317.22-2019
Space and fixing dimensions for smart electricity meter—Part 22：Structure of B-type
GB/T 38317.21-2019
Space and fixing dimensions for smart electricity meter—Part 21: Structure of A-type
GB/T 38317.11-2019
Space and fixing dimensions for smart electricity meter—Part 11: General requirements
GB/T 38257-2019
Laser-induced breakdown spectroscopy
GB/T 38256-2019
Test method for optical axis parallelism of multiple optical paths
GB/Z 38251-2019
Acoustics—Calculation of sound attenuation during propagation for electrical converter station—Engineering method
GB/T 38125-2019
Autosampler for liquid chromatography
GB/T 30430-2019
Standard column used for evaluating gas chromatographs
GB/T 26792-2019
High performance liquid chromatography
GB/T 37977.32-2019
Electrostatics—Part 3-2:Methods for simulation of electrostatic effects—Machine model(MM)electrostatic discharge test waveform
GB/T 37977.23-2019
Electrostatics—Part 2-3：Methods of test for determining the resistance and resistivity of solid planar materials used to avoid electrostatic charge accumulation
GB/T 37968-2019
Testing device for high-voltage electricity metering equipments
GB/T 37974-2019
General requirements for automatic test system acceptance
GB/T 37776-2019
Methods for the calibration of dynamic force transducers—Calibration by shock force