patenthub.cn

专利汇-专利查询网-专利搜索检索-发明专利查询分析

以专利数据分析挖掘为核心的垂直搜索引擎，主要提供专利查询,专利检索,专利下载,专利分析,专利管家,年费监控,专利申请,专利地图,竞争监控等服务。

Monthly Visitors are

Ranked 687^st globally in Science and Education Science and Education

baiten.cn

查专利，就上佰腾网！佰腾专利检索系统，覆盖全球103个国家、区域与组织，数据量达1.4亿件，支持简单检索、高级检索、法律检索、批量检索，提供专利价值评估及多种类型专利下载方式，同时提供专利报告统计分析等新功能，更好的服务专利检索、专利管理等知识产权工作。

Monthly Visitors are 980003.634766 and Similarity percentage is 63.22.

Ranked 1888^st globally in Science and Education Science and Education

soopat.com

soopat 专利搜索,专利搜索,专利查询,检索,下载

Monthly Visitors are 465724.184751 and Similarity percentage is 61.06.

Ranked 3546^st globally in Science and Education Science and Education

muchong.com

Monthly Visitors are 3487590.1481 and Similarity percentage is 46.85.

Ranked 725^st globally in Science and Education Science and Education

iprdb.com

知嘟嘟专利查询网,知嘟嘟旗下iprdb专利信息检索平台免费提供专利著录项信息查询，支持发明专利查询、实用新型专利检索以及外观设计专利检索、包含110个国家和地区专利查询,超过1亿专利文献查询.专利查询就上知嘟嘟旗下iprdb专利信息检索平台。

Monthly Visitors are 84486.2159767 and Similarity percentage is 45.68.

Ranked 16495^st globally in Science and Education Science and Education

researchgate.net

access 130+ million publications and connect with 20+ million researchers. join for free and gain visibility by uploading your research.

Monthly Visitors are 128545227.398 and Similarity percentage is 45.29.

Ranked 736^st globally in Science and Education Science and Education

cnki.net

中国知网知识发现网络平台—面向海内外读者提供中国学术文献、外文文献、学位论文、报纸、会议、年鉴、工具书等各类资源统一检索、统一导航、在线阅读和下载服务。涵盖基础科学、文史哲、工程科技、社会科学、农业、经济与管理科学、医药卫生、信息科技等十大领域。

Monthly Visitors are 39936636.3096 and Similarity percentage is 44.51.

Ranked 63^st globally in Science and Education Science and Education

sci-hub.se

Monthly Visitors are 15748973.6429 and Similarity percentage is 38.23.

Ranked 922^st globally in Science and Education Science and Education

zhuanlichaxun.net

免费无偿提供专利查询检索服务，免费提供高速pdf下载，服务覆盖全中国各省份，定时更新最新数据！

Monthly Visitors are 94775.9935808 and Similarity percentage is 37.69.

Ranked 34518^st globally in Science and Education Science and Education

semanticscholar.org

semantic scholar uses groundbreaking ai and engineering to understand the semantics of scientific literature to help scholars discover relevant research.

Monthly Visitors are 8990855.05008 and Similarity percentage is 37.31.

Ranked 8563^st globally in Science and Education Science and Education

mdpi.com

mdpi is a publisher of peer-reviewed, open access journals since its establishment in 1996.

Monthly Visitors are 15213000.2158 and Similarity percentage is 37.25.

Ranked 6970^st globally in Science and Education Science and Education

ixueshu.com

爱学术是一家专业的学术文献分享平台，覆盖各个行业期刊论文，学位论文，会议论文，标准，专利等各类学术资源，是国内最大的学术文献交流中心和论文资源免费下载网站。

Monthly Visitors are 191013.284264 and Similarity percentage is 37.13.

Ranked 10450^st globally in Science and Education Science and Education

vipzhuanli.com

钻瓜专利网是国内专业的专利技术交易平台和服务提供商，为广大的专利权人提供专利技术转移全流程服务，包括专利技术申请、专利技术推广、专利技术交易以及专利维权服务，愿意并努力坚持成为国内专业的专利技术交易高端服务平台。

Monthly Visitors are 47428.8812163 and Similarity percentage is 35.00.

Ranked 37724^st globally in Science and Education Science and Education

pcl.ac.cn

鹏城实验室

Monthly Visitors are 112462.181909 and Similarity percentage is 35.00.

Ranked 16347^st globally in Science and Education Science and Education

ecorr.org

中国腐蚀与防护网是国家级的腐蚀与防护专业网站。我们向用户提供公益性的腐蚀数据，定制化防腐技术，以及全方位的防腐资讯。我们拥有我国最权威、最全面、最快捷的材料腐蚀（老化）数据共享服务平台；我们分享行业动态、专业知识、防护技术、文献资料、科研成果等信息资源；我们提供科学数据、环境试验、检测分析、技术咨询及成果推广全方位服务.

Monthly Visitors are 32167.687137 and Similarity percentage is 35.00.

Ranked 58511^st globally in Science and Education Science and Education