China National Standards

China 20:Basic GB Standards List

  •  China "20:Basic" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 7424.20-2021 Optical fibre cable generic specification—Part 20:Basic optical cable test procedures—General and definitions
    光缆总规范 第20部分：光缆基本试验方法 总则和定义    		 China National Standards
    20:Basic
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