Patent Office LCCN2005694728.jpg
Miscellaneous Items in High Demand, PPOC, Library of Congress
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Patent Office LCCN2005694728, ''Title:'' Patent Office
''Abstract/medium:'' 1 print.
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Patent Office LCCN2005694728, Patent Office Building, Miscellaneous Items in High Demand, PPOC, Library of Congress, Images from the Library of Congress
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特許庁特許庁LCCN2005694728「特許:」特許庁「抽象・中程度:」1枚
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特許庁LCCN2005694728、特許庁ビル、PPOC、米国議会図書館の画像
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patent law patent right patent patency patented life office