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| International Standard Category: Materials for aerospace construction |
HB 6574-1992 GH 903 low expansion alloy circular blank and piece
ＧＨ９０３低膨胀合金环坯和环形件 ;
| Category No.: | 49.025 | Valid Status: | valid |
| Issued Organization: | Issued Date: | 1992-04-15 | |
| Implemented Date: | 1992-10-1 | Abolished Date: | |
| Superseded Standard.: | Superseded Date: |
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