File:Model M patent.png
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Size of this preview: 573 × 599 pixels. Other resolutions: 230 × 240 pixels | 459 × 480 pixels | 790 × 826 pixels.
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 23:13, 29 August 2006 | 790 × 826 (28 KB) | commons>GreyCat | An illustration from US patent 4,118,611 "Buckling Spring Torsional Snap Actuator". Source: US patent office scan {{PD-US-patent}} |
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