【摘要】 本文叙述了我国专利的审批过程,介绍了我国专利文献的出版类型、号码体系和如何利用这些号码调取专利文献。归纳了我国专利分类体系和专利文献的检索工具。最后总结了我国专利文献检索的主要方法与途径。更多还原

【Abstract】 It briefly introduced the program of examination and approval of Chinese patents,the kind of Chinese patents and the patent number system. Then it described the chi-nese patent classification, Chinese patent retrieval system and the method how to use them. At last the main sorts of ways in Chinese patent retrieval have been illustrated.更多还原