| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| TB/T 2500-1994 | English | 179 |
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Telephone Equipment in Railway Section (Wired) Sytem Serial and Major Technical Conditions
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TB/T 2500-1994
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TB/T 2500-1994
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