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| 异丁橡胶 | |||
| 丁基橡胶 | |||
| Russian thesaurus | |||
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| -С(СН3)2СН2-n - Большой Энциклопедический словарь | |||
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бутилкаучук : 1 phrase in 1 subject |
| Polymers | 1 |
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