China National Standards

China Refractomenters Industry Standards English PDF List

  •  China "Refractomenters" Industry Standards English PDF List:
    • Standard  Code Standard Title Standard Class Order
    JJF 1291-2011 Program of Pattern Evaluation of Eye Refractomenters
    验光仪型式评价大纲    		 China Metrological Standards
    Refractomenters
    English PDF

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