China National Standards

China Envrionmental Industry Standards English PDF List

  •  China "Envrionmental" Industry Standards English PDF List:
    • Standard  Code Standard Title Standard Class Order
    JJG 921-1996 Verification Regulation of Noise. Vibration meter For measuring Envrionmental pollution
    公害噪声振动计检定规程    		 China Metrological Standards
    Envrionmental
    English PDF

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