China National Standards

China Calibration Specification Steel Industry Standards English PDF List

  •  China "Calibration Specification Steel" Industry Standards English PDF List:
    • Standard  Code Standard Title Standard Class Order
    JJF 1341-2012 Calibration Specification for Steel Bar Tarnish Measuring Instruments
    钢筋锈蚀测量仪校准规范    		 China Metrological Standards
    Calibration Specification Steel
    English PDF

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