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Societal Grand Challenges from a Technological Perspective
Rainer FrietschPeter NeuhäuslerOliver RothengatterKoen Jonkers
其他書名
Methods and Identification of Classes of the International Patent Classification IPC
出版Fraunhofer ISI, 2016
URLhttp://books.google.com.hk/books?id=_pUhnQAACAAJ&hl=&source=gbs_api