| 英文名称: | | alkenes, ethylene-manuf.-by-product dicyclopentadiene-conc., polymers with isop | | hthalic acid, maleic anhydride, menhaden oil, pentaerythritol and steam-cracked | | alkenes, ethylene-manuf.-by-productdicyclopentadiene-conc., polymers with isophthalic acid, maleicanhydride, menhaden oil, pentaerythritol and steam-cracked petroleumdistillates |
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