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Date: 2015-10-08 10:40:24 Patent 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 stacked Add to Reading List Source URL: www.cooperativepatentclassification.org Download Document from Source Website File Size: 4,18 MB Share Document on Facebook

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