China National Standards

China Specification sapphire plate GB Standards List

  •  China "Specification sapphire plate" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 40381-2021 Specification of sapphire plate for laser window
    激光窗口用蓝宝石晶体板状材料规范    		 China National Standards
    Specification sapphire plate
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