Patent Drawing for G. W. Upton's Fishing Fly - NARA - 6277790.jpg
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Patent Drawing for G. W. Upton's Fishing Fly NARA 6277790, 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 G. W. Upton's Fishing Fly
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ja
G・W・アプトンの釣りフライNARA 6277790の特許図面、米国国立公文書館管理局における特許図面、米国国立公文書館の画像:G・W・アプトンの釣りフライの特許図面
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fly-fishing fly fishing patent law patent patent right patency patented