File:Number of patent families published by different authorities vs. earliest priority date.png
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![File:Number of patent families published by different authorities vs. earliest priority date.png](https://upload.wikimedia.org/wikipedia/commons/thumb/3/3f/Number_of_patent_families_published_by_different_authorities_vs._earliest_priority_date.png/800px-Number_of_patent_families_published_by_different_authorities_vs._earliest_priority_date.png)
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current | 15:56, 5 June 2023 | ![]() | 5,032 × 2,664 (988 KB) | commons>Walter Tau | Uploaded own work with UploadWizard |
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