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Related
Patent drawing - for H. L. Deden's Keyed Violins, Cellos, Etc. Public domain image
Резюме
Utility Patent Drawings
Public domain photograph of French architecture design drawing, building plan, Paris, France, free to use, no copyright restrictions image - Picryl description
Известные патентные рисунки из Национального архива Вашингтона.
Теги
Дата
01/01/1876
Источник
The U.S. National Archives
Информация о правах
No known copyright restrictions
