patent
来源：互联网 发布：治疗网络强迫症的方法 编辑：程序博客网 时间：2024/05/16 06:05
China:
http://www.pss-system.gov.cn/sipopublicsearch/search/searchHomeAC!searchIndex.do?wee.bizlog.modulelevel=02
http://www.soopat.com/
http://search.cnpat.com.cn/cprs2010/
http://59.151.93.221/cniprSamsung/main.do?method=gotoMain
US: http://www.uspto.gov/patft/index.html
Europe: http://www.epo.org/searching/free/espacenet.html
Japan: http://www.ipdl.inpit.go.jp/homepg_e.ipdl
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