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Espacenet: free access to millions of patent documents. Find out if your invention is unique or if other inventors have filed patent applications that are ... EspacenetPatentsearchOffice/LanguageMyEspacenetHelpClassificationsearchResultsFeedbackEspacenet:freeaccesstoover130millionpatentdocumentsQuickaccessDiscussionforumPocketguideAboutEspacenetNewsAvailabilityReleasenotesOnlineseminarsandeventsLearningandhelpPocketguideChangesinEspacenetDiscussionforumRecordedonlineseminarsMoreonEspacenetCoverageBibliographiccoverageFull-textcoverageMoreonEPOdataTermsofuseConditionsFairusecharterAutomateddataretrievalSupportedbrowsersAbouttheEPOServices&activitiesGovernanceQualityJobsProcurementService&supportFAQPublicationsOrderingFormsOfficialholidaysForumsGlossaryRSSfeedsContactusWritetoourcustomerservicesSubscribetoournewsletterSocialmediaFacebook:News,photos,videosfromtheEPOFacebook:Jobvacancies,interviews,testimonialsTwitter:NewsandannouncementsfromtheEPOTwitter:Jobvacancies,interviews,testimonialsLinkedIn:ConnectwiththeEPOLinkedIn:ConnectwithourrecruitmentteamYouTube:Videosaboutusandaboutinventors,clipsfromkeyeventsInstagram:Storiesofinventors,inventions,eventsandactivitiesattheEPOAccessibilityTermsofuseLegalnoticeSecurityEspacenetLastupdated:22.06.20221.36.2Advancedsearch
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