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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 46331-2025 |
Optical Cables for Direct Burial {译} 地面直接敷设用光缆 |
China National Standards Optical Cables Direct |
 English PDF |
| GB/T 29233-2012 |
Singlemode optical fibre telecommunication cables for outdoor duct, directly buried, and lashed aerial application 管道、直埋和非自承式架空敷设用单模通信室外光缆 |
China National Standards Optical Cables Direct |
English PDF |
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