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一引言专利文献是专利制度的产物。专利文献的主要内容是指发明说明书,另外还包括专利局公报、专利分类表和分类表索引以及各国专利局和一些专利情报机构出版的各种索引和累积索引。目前已通报的专利约二千七百万件,而且,每年以一百万件的速度增长。显然,专利文献是一个丰富的技术宝库。与其它科技文献相比,专利文献有以下一些主要特点: 1.专利文献蕴含着技术情报,法律情报和经济情报;
An introduction Patent literature is the product of the patent system. The main content of the patent document is the description of the invention, and also includes the patent office bulletin, the patent taxonomy and the taxonomy index as well as various indices and cumulative indexes published by national patent offices and some patent intelligence agencies. At present, about 27 million patents have been notified, and the annual growth rate has reached 1 million. Obviously, the patent literature is a rich treasure trove of technology. Compared with other scientific literature, patent literature has the following main features: 1. Patent literature contains technical intelligence, legal intelligence and economic intelligence;