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Encyclopedia of Physical Science and Technology
Elsevier
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DIN-Normen
Beuth
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Artech House Ebooks
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Cooperative Patent Classification
European Patent Office; Europäisches Patentamt
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Data-Planet
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Academic Search Elite (via EBSCO Host)
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InnovationQ Plus / IEEE and ip.com
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Nineteenth Century Collections Online: Science, Technology and Medicine ; 1780-1925
Gale
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Oldenbourg-Link - Akademie-Link
de Gruyter-Oldenbourg
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Chinese Science Citation Database
Thomson Reuters
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Internet Library of Early Journals : A Digital Library of 18th and 19th Century Journals (nicht mehr online)
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Knovel
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TIB|AV-Portal
Technische Informationsbibliothek (TIB)
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Web of Science
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PatBase
Minesoft Ltd.
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IamIP - Patent Plattform
IamIP Sverige AB
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Scienca kaj Teknika Esperanto-Biblioteko
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ScienceDirect / Elsevier Journal Backfiles
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Espacenet
Europäisches Patentamt
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Orbit Intelligence
Questel
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