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| 火棉; 焦木素; 硝化纤维素 | |||
| 可溶硝棉; 漆用硝基纤维素; 低氮硝化纤维; 低氮硝化棉; 硝化棉; 绵火药 | |||
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pyroxyline : 11 phrases in 1 subject |
| Technology | 11 |
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