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| International Standard Category: Materials for aerospace construction in general |
QJ 170-1987 Technical Specification for Die Castings of Aluminum Alloy, Copper Alloy and Zinc Alloy
铝合金、铜合金、锌合金压铸件技术条件 ;
| Category No.: | 49.025.01 | Valid Status: | valid |
| Issued Organization: | Ministry of Space Industry | Issued Date: | 1987-05-30 |
| Implemented Date: | 1987-12-1 | Abolished Date: | |
| Superseded Standard.: | Superseded Date: |
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