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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| JJG 404-2015 |
Calibrators for Railway Track Gage 铁路轨距尺检定器检定规程 |
China Metrological
Standards Calibrators Railway Track |
 English PDF |
| JJG 1079-2013 |
Verification Regulation of Comprehensive Calibrators for Test Equipment of Railway Track Signal 铁路轨道信号测试设备综合校验装置检定规程 |
China Metrological
Standards Calibrators Railway Track |
English PDF |
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