Deutsch-Chinesische Enzyklopädie, 德汉百科

       
German — Chinese
United States Department of Commerce National Institute of Standards and Technology,NIST

Catalog Washington, D.C.
Handelsministerium der Vereinigten Staaten
美國商務部 美国商务部/United States Department of Commerce
Catalog United States Department of Commerce National Institute of Standards and Technology,NIST
National Institute of Standards and Technology,NIST
美国国家标准与技术研究院
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