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| International Standard Category: Materials for aerospace construction in general |
QJ 2908-1997 Process Specification of Phosphoric Acid Anodic Oxide Layer Before Cementing Alumium Alloy
铝合金胶接前磷酸阳极氧化膜层工艺规范 ;
| Category No.: | 49.025.01 | Valid Status: | valid |
| Issued Organization: | Issued Date: | 1997-03-10 | |
| Implemented Date: | 1997-9-1 | Abolished Date: | |
| Superseded Standard.: | Superseded Date: |
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