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| Monoolefin n; Olefin m; Äthylenkohlenwasserstoff m | |||
| Alken m; Alkylen n | |||
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| Äthylenkohlenwasserstoffe m; Alkylene | |||
| Monoolefine m; Ölefine m | |||
| Alkene m; Olefine m | |||
| Russian thesaurus | |||
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| см. олефины Большой Энциклопедический словарь | |||
| алкен: 2 phrases in 1 subject |
| Chemistry | 2 |