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Derwent Innovations Index

Value-added patent information from Derwent World Patent Index® as well as patent citation information from Patents Citation Index®. Use patent data to protect your ongoing work, discover the latest technological advances, monitor competitors’ progress, and formulate fresh ideas for research. Get a comprehensive overview of inventions in the global marketplace in all categories: chemical, electrical, electronic, and mechanical engineering Patent coverage to 1963; citations to 1973
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Thomson Scientific
Thomson Scientific

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