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| International Standard Category: Materials for aerospace construction |
HB/Z 131-2004 Technical requirement for the selection of raw material of cast superalloys
铸造高温合金选用原材料技术要求;
| Category No.: | 49.025 | Valid Status: | valid |
| Issued Organization: | 0 | Issued Date: | 2004-9-1 |
| Implemented Date: | 2004-12-1 | Abolished Date: | |
| Superseded Standard.: | Superseded Date: |
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