国内语义分析相关专利集锦，收集的专利说明在该狭窄领域内，比较齐全-Collection of domestic semantic analysis of the relevant patent, the patent descr iption collection area in the narrow, relatively complete

专利情报分析软件，可以搜索并分析美国，中国和欧洲专利局的专利。可以下载pdf，tif等格式的专利文档。-Patent information analysis software, you can search and analyze the United States, China and the European Patent Office patents. Can download the pdf, tif format, such as patent documents.

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