| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| YB/T 4944-2021 | English | 399 |
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Days<=4
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(Technical Specification for Evaluation of Green Design Products Spring Steel for Rail Fasteners)
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YB/T 4944-2021
| Valid |
YB/T 4944-2021
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