China National Standards

China practice the measurement GB Standards List

  •  China "practice the measurement" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 33981-2017 Standard practice for the measurement of sound pressure levels on high-voltage alternating current circuit-breakers
    高压交流断路器声压级测量的标准规程    		 China National Standards
    practice the measurement
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