摘要
本文根据CA专利索引编制的特点，探讨了它在法律、经济及技术情报中的作用，提示这是值得重视的一条检索途径。
According to the characteristics of Patent Index in 《Chemical Abstracts》, this articlediscussed it's role on law, economics and technical information, and pointed out the importance ofthis retrieval method.
