Patent Drawing for H. L. Deden's Keyed Violins, Cellos, Etc. - NARA - 6277642.jpg
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Patent Drawing for H. L. Deden's Keyed Violins, Cellos, Etc. NARA 6277642, Patent drawings in the National Archives and Records Administration, US National Archives series: Utility Patent Drawings, Images from the National Archives and Records Administration, US National Archives location: other, Patent Drawing for H. L. Deden's Keyed Violins, Cellos, Etc.
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ja
H・L・デデンのKeyed Violins、Cellos、Etcの特許図面 NARA 6277642、米国国立公文書館管理局の特許図面、米国国立公文書館シリーズ:ユーティリティ特許図面、米国国立公文書館管理局の画像、米国国立公文書館の位置。もう1つは、H・L・デデンのKeyed Violins、Cellos、Etcの特許図面。
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