Deutsch-Chinesische Enzyklopädie, 德汉百科

       
German — Chinese
Catalog United States Department of Commerce

国家技术信息局
 
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国家电信和信息管理局
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国家气象局
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海洋與大氣研究辦公室 海洋和大气研究办公室

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美國普查局 美国普查局

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美国专利及商标局
Das United States Patent and Trademark Office (PTO oder USPTO) ist das dem Handelsministerium der Vereinigten Staaten unterstellte Patentamt der Vereinigten Staaten, das Patente für Erfindungen vergibt und für die Etablierung von Marken- und geistigen Eigentumsrechten verantwortlich ist. Es hat seinen Sitz seit 2006 in Alexandria (Virginia).
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