Patent Drawing for a Hook and Eye Fastener - NARA - 594435.jpg
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Patent Drawing for a Hook and Eye Fastener NARA 594435, United States Patent and Trademark Office documents, US National Archives series: Patent Case Files, Images from the National Archives and Records Administration, US National Archives location: other, Patent Drawing for a Hook and Eye Fastener
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フックとアイファスナーの特許図面 NARA 594435、米国特許商標庁文書、米国国立公文書館シリーズ:特許事件簿、米国国立公文書館管理局画像、米国国立公文書館の位置:もう1つ、フックとアイファスナーの特許図面
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hook and eye patent law patent patent right fastener fastening patency patented