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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| TB/T 2997.3-2000 |
Railway programmed telephone equipment collinear tandem technical requirements and test methods 铁路程控共线电话设备 汇接机技术要求及试验方法 |
China Railway & Train
Standards Railway programmed collinear |
 English PDF |
| TB/T 2997.2-2000 |
Railway programmed collinear the telephone equipment collinear phone technical requirements and test methods 铁路程控共线电话设备 共线话机技术要求及试验方法 |
China Railway & Train
Standards Railway programmed collinear |
English PDF |
| TB/T 2997.1-2000 |
Railway programmed collinear telephone equipment master the technical requirements and test methods 铁路程控共线电话设备 主控机技术要求及试验方法 |
China Railway & Train
Standards Railway programmed collinear |
English PDF |
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