File:Patent trends.png
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Patent_trends.png (567 × 445 pixels, file size: 66 KB, MIME type: image/png)
Patent application trends over the past few decades
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 13:50, 2 November 2019 | 567 × 445 (66 KB) | Jpwainer (talk | contribs) |
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