China National Standards

China photometry goniophotometry GB Standards List

  •  China " photometry goniophotometry" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 22907-2008 The photometry and goniophotometry of luminaires
    灯具的光度测试和分布光度学    		 China National Standards
    photometry goniophotometry
    English PDF
    GB/T 9468-2008 General requirements for the photometry and goniophotometry of luminaries
    灯具分布光度测量的一般要求    		 China National Standards
    photometry goniophotometry
    English PDF

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