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China focusing GB Standards English PDF List


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  •  China "focusing" GB Standards English PDF List:
  • Standard  Code Standard Title Standard Class Order
    GB/T 43530-2023 Performance test method for lobster eye focusing optical components
    龙虾眼型聚焦光学元件性能测试方法
    China National Standards
    focusing

    English PDF
    GB/T 32522-2016 Acoustics—Electroacoustic characteristics and measurements of spherically focusing ultrasonic transducers
    声学 压电球面聚焦超声换能器的电声特性及其测量
    China National Standards
    focusing

    English PDF
    GB/T 20249-2006 Acoustics - Definitions and measurement methods for the transmitted fields of focusing ultrasonic transducers
    声学 聚焦超声换能器发射场特性的定义与测量方法
    China National Standards
    focusing

    English PDF

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