File:Conventional assistive technologies patent filings 2013-2017.png
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current | 01:27, 20 May 2022 | ![]() | 898 × 690 (189 KB) | Anthere | Uploaded a work by WIPO from WIPO Technology Trends 2021: Assistive Technology. Geneva: World Intellectual Property Organization. https://www.wipo.int/tech_trends/en/assistive_technology/ with UploadWizard |
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