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| Chinese National Standard Category: Optical communication equipment |
| English Title: | Specifications for optical fibre test methods—Part 40:Measurement methods and test procedures for transmission characteristics—Attenuation |
| Chinese Title: | 光纤试验方法规范 第40部分：传输特性的测量方法和试验程序 衰减 |
| Standard No.: | GB/T 15972.40-2024 |
| Category No.: | M33 |
| Issued by: | SAMR; SAC |
| Issued on: | 2024-11-28 |
| Implemented on: | 2025-3-1 |
| Status: | valid |
| Superseded by: | |
| Superseded on: | |
| Abolished on: | |
| Superseding: | GB/T 15972.40-2008 Specifications for optical fibre test methods - Part 40: Measurement methods and test procedures for transmission and optical characteristics - Attenuation |
| Word Count: | 21500 words |
| Similar Standards: |
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