Standard Code | Standard Title | Standard Class | Order |
---|---|---|---|
YY/T 1668—2019 |
Basic Electroacoustic Characteristics and Measurement Methods of Array Pulse-Echo Ultrasonic Transducers {译} 阵列式脉冲回波超声换能器的基本电声特性和测量方法 |
China Pharmaceutics Industry
Standards Electro acoustic transducers, |
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YY/T 1089-2007 |
Electroacoustic characteristics and measurement methods of single element pulse-echo ultrasonic transducers 单式脉冲回波超声换能器的基本电声特性和测量方法 |
China Medicine & Medical Device
Standards Electro acoustic transducers, |
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SJ 20497-1995 |
Electro-acoustic transducers, general specification for 可逆电声换能器组总规范 |
China Electronics
Standards Electro acoustic transducers, |
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SJ 20410-1994 |
Reliability requirement and test methods for military communication electro-acoustic transducers 军用电声器件型号命名方法 |
China Electronics
Standards Electro acoustic transducers, |
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SJ 20128-1992 |
Environmental test methods for communication electroacoustic transducers 通信电声器件环境试验方法 |
China Electronics
Standards Electro acoustic transducers, |
![]() English PDF |
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