略語大辞典 [Chem] 25 Buna (G) butadien-natrium-polymerizat ブナ. ブタジエン重合体. 合成ゴム.(G) butadien-natrium-polymerizat; a synthetic rubber; [Chem]. 丸善「略語大辞典」JLogosID : 11868076