China National Standards

China testing—Specification GB Standards List

  •  China "testing—Specification" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 39432-2020 Non-destructive testing—Ultrasonic testing—Specification for step wedge calibration block
    无损检测 超声检测 阶梯试块    		 China National Standards
    testing—Specification
    English PDF
    GB/T 19799.1-2015 Non-destructive testing—Ultrasonic testing—Specification for calibration block No. 1
    无损检测 超声检测 1号校准试块    		 China National Standards
    testing—Specification
    English PDF

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