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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 3658-2022 |
Ring test method for magnetic properties of soft magnetic metal materials and powder metallurgy materials in the frequency range of 20Hz to 100kHz {译} 软磁金属材料和粉末冶金材料20Hz～100kHz频率范围磁性能的环形试样测量方法 |
China National Standards 100kHz |
 English PDF |
| GB/T 17252-1998 |
Acoustics--Characteristics and measurements of ultrasonic piezoelectric transducers up to 100kHz 声学 100 kHz以下超声压电换能器的特性和测量 |
China National Standards 100kHz |
English PDF |
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