 Date: 2015-10-08 10:40:24Patent classifications Patent offices European Patent Organisation International Searching and Preliminary Examining Authorities Cooperative Patent Classification United States Patent and Trademark Office European Patent Office Patent examiner Espacenet European Classification United States Patent Classification Unitary patent | | USPTO logo reverse stackedAdd to Reading ListSource URL: www.cooperativepatentclassification.orgDownload Document from Source Website File Size: 4,18 MBShare Document on Facebook
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