| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| TB/T 1869-1990 | English | 439 |
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Days<=4
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(Railway signal transformer General technical conditions)
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TB/T 1869-1990
| Obsolete |
TB/T 1869-1990
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