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Date: 2017-11-30 08:04:39 | EUROPEAN PATENT OFFICE U.S. PATENT AND TRADEMARK OFFICE CPC NOTICE OF CHANGES 477 DATE: JANUARY 1, 2018 PROJECT RP0490Add to Reading ListSource URL: www.cooperativepatentclassification.orgDownload Document from Source WebsiteFile Size: 891,06 KBShare Document on Facebook |