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国内简讯６则由中国科学院化学研究所研制、北京八达岭精细化工实验厂生产的Ｃ５／Ｃ９共聚型石油树脂暨Ｃ５石油树脂的千吨级生产技术及产品最近正式通过化工部科技司组织的专家技术鉴定。产品性能达到国外同类产品的先进水平。（中国科学院化学研究所开发处供稿）上海汽...
The domestic newsletter 6 was developed by the Institute of Chemistry of the Chinese Academy of Sciences and the C5/C9 copolymerized petroleum resin produced by the Beijing Badaling Fine Chemicals Experimental Factory and the kiloton production technology and products of the C5 petroleum resin were recently formally passed by experts from the Science and Technology Department of the Ministry of Chemical Industry. Identification. Product performance has reached the advanced level of similar foreign products. (Chinese Academy of Sciences Institute of Chemical Research Development Office contributing) Shanghai steam...