China National Standards

China 4：Open GB Standards List

  •  China "4：Open" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 16422.4-2014 Plastics―Methods of exposure to laboratory light sources―Part 4：Open-flame carbon-arc lamps
    塑料 实验室光源暴露试验方法 第4部分：开放式碳弧灯    		 China National Standards
    4：Open
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