China National Standards

China Calibration Specification Psophometers Industry Standards English PDF List

  •  China "Calibration Specification Psophometers" Industry Standards English PDF List:
    • Standard  Code Standard Title Standard Class Order
    JJF 1167-2007 Calibration Specification for Psophometers
    杂音计校准规范    		 China Metrological Standards
    Calibration Specification Psophometers
    English PDF

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