China National Standards

China Calibration Specification Borehole Industry Standards English PDF List

  •  China "Calibration Specification Borehole" Industry Standards English PDF List:
    • Standard  Code Standard Title Standard Class Order
    JJF 1550-2015 Calibration Specification for Borehole Clinometers
    钻孔测斜仪校准规范    		 China Metrological Standards
    Calibration Specification Borehole
    English PDF

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