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| Chinese National Standard List: Blocking systems and axle counters |
| Title | Standard No. | Implemented On |
| Specification of railway signal axle counter application system | TB/T 3189-2007 | 2008-5-1 |
| ZPR·Y2-18 Type Frequency-shift Automatic blocking system | TB/T 2999.3-2005 | 2005-7-1 |
| Coding equipment of track circuit in railway station | TB/T 3112-2005 | 2005-7-1 |
| Specification for railway automatic station block | TB/T 2668-2004 | 2004-3-1 |
| Cab signaling message define and allocation | TB/T 3060-2002 | 2002-8-8 |
| UM71 Naked Track Circuit Automatic Block Equipment | TB/T 3004-2001 | 2001-12-1 |
| ZP·Y1-18 Type Frequency Shift Automatic Block Equipment | TB/T 2999.1-2000 | 2000-11-1 |
| ZP·Y2-18 Type Frequency Shift Automatic Block Equipment | TB/T 2999.2-2000 | 2000-11-1 |
| Technical Specification for Railway Semiautomatic Blocking | TB/T 2497-1994 | 1995-3-1 |
| Technical Specification for Railway Automatic Blocking | TB/T 1567-1990 | 1990-12-1 |
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