China National Standards

China Calibration specification ophthalmic Industry Standards English PDF List

  •  China "Calibration specification ophthalmic" Industry Standards English PDF List:
    • Standard  Code Standard Title Standard Class Order
    JJF 1837-2020 Calibration specification for ophthalmic A-mode ultrasonic measuring instrument
    眼科A型超声测量仪校准规范    		 China JJF-Measuring Technical Standards
    Calibration specification ophthalmic
    English PDF

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