This paper introduces the China patent online search system of SIPO and CNPAT, and makes a full comparison and evaluation between them in the aspects of their covering range and retrieval methods.
邵诚敏,仇琛. 两大中国专利检索系统的比较分析[J]. 现代图书情报技术, 2005, 21(4): 86-87.
Shao Chengmin,Qiu Chen. The Analysis and Comparison Between Two China Patent Search System. New Technology of Library and Information Service, 2005, 21(4): 86-87.