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| International Standard Category: Rolling bearings |
JB/T 2850-2007 Rolling bearings - Parts made from Cr4Mo4V bearing steel elevated temperature - Specification for heat-treatment
滚动轴承 Gr4Mo4V高温轴承钢零件 热处理技术条件;
| Category No.: | 21.100.20 | Valid Status: | valid |
| Issued Organization: | SBMBI | Issued Date: | 2007-3-6 |
| Implemented Date: | 2007-9-1 | Abolished Date: | |
| Superseded Standard.: | Superseded Date: |
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