China National Standards

China Method measuring photometric Industry Standards English PDF List

  •  China "Method measuring photometric" Industry Standards English PDF List:
    • Standard  Code Standard Title Standard Class Order
    JT/T 690-2022 Method for measuring photometric properties of retroreflectors {译}
    逆反射体光度性能测量方法    		 China Transport Industry Standards
    Method measuring photometric
    English PDF

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