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Patent drawing - for J. O. Lose's One Wheeled Vehicle Public domain  image

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Patent drawing - for J. O. Lose's One Wheeled Vehicle Public domain image

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Utility Patent Drawings

Public domain photograph of 19th century drawing, free to use, no copyright restrictions image - Picryl description

Известные патентные рисунки из Национального архива Вашингтона.

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Дата

01/09/1885
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Источник

The U.S. National Archives
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Информация о правах

No known copyright restrictions

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