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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 33779.2-2017 |
Guidance for special characteristic of optical fibre—Part 2: Interpretation of OTDR backscattering traces 光纤特性测试导则 第2部分：OTDR后向散射曲线解析 |
China National Standards backscattering |
 English PDF |
| GB/T 10262-1988 |
Beta backscattering thicknessmeter for small area of plating (coating) 小面积镀(涂)层β反散射厚度计 |
China National Standards backscattering |
English PDF |
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