| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| TB/T 1504-2003 | English | 439 |
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Days<=4
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Standards of operation of receiving and departing trains on single and double lines with semi-auto-blocking and colorlight electric interlocking
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TB/T 1504-2003
| Obsolete |
TB/T 1504-2003
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