| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| GB/T 31970-2025 | English | 305 |
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0-9 seconds. Auto delivery.
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Performance requirements and bench test methods for air brake caliper assemblies of vehicles
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GB/T 31970-2025
| Valid |
GB/T 31970-2025
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