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| International Standard Category: Materials for aerospace construction |
HB 5490-1991 Standard Spectrogram Collection of Infrared Spectrum of Aviation Non-metal Material Commodity
航空非金属材料商品红外光谱标准谱图集 ;
| Category No.: | 49.025 | Valid Status: | valid |
| Issued Organization: | Issued Date: | 1992-04-15 | |
| Implemented Date: | 1992-5-1 | Abolished Date: | |
| Superseded Standard.: | Superseded Date: |
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