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Image: Illustration US Patent 1749502 Wheel Structure

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Original image(2,320 × 3,408 pixels, file size: 77 KB, MIME type: image/png)

Description: Image from US Patent 1749502 registered by w:HP Nielsen
Title: Illustration US Patent 1749502 Wheel Structure
Credit: https://patentimages.storage.googleapis.com/pages/1749502-0.png
Author: w:United States Patent and Trademark Office
Usage Terms: Public domain
License: Public domain
Attribution Required?: No

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