China National Standards

China expiry GB Standards List

  •  China "expiry" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 11417.8-2023 Ophthalmic optics Contact lenses Part 8: Determination of expiry date {译}
    眼科光学 接触镜 第8部分：有效期的确定    		 China National Standards
    expiry
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