• C9 aromatic petroleum resin was produced with pressure thermal polymerization instead of the catalytic polymerization under low temperature.

    压力聚合方法代替低温催化聚合生产浅色号c 9石油树脂

    youdao

  • C9 aromatic petroleum resin was produced with pressure thermal polymerization instead of the catalytic polymerization under low temperature.

    压力聚合方法代替低温催化聚合生产浅色号c 9石油树脂

    youdao

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