China National Standards

China Calibration Specification Spring Industry Standards English PDF List

  •  China "Calibration Specification Spring" Industry Standards English PDF List:
    • Standard  Code Standard Title Standard Class Order
    JJF 1475-2014 Calibration Specification for Spring Hammers
    弹簧冲击器校准规范    		 China Metrological Standards
    Calibration Specification Spring
    English PDF

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