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Keyword:
| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| TB/T 2999.3-2005 |
ZPR·Y2-18 Type Frequency-shift Automatic blocking system zpr·y2-18型移频自动闭塞设备 |
China Railway & Train
Standards ZP · Y2 |
 English PDF |
| TB/T 2999.2-2000 |
ZP · Y2-18 Frequency Shift Automatic Block Device zp·y2-18型移频自动闭塞设备 |
China Railway & Train
Standards ZP · Y2 |
English PDF |
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