Chemical
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240: PAPERCHEM
324: German Patents Fulltext
325: Chinese Patents Fulltext
340: CLAIMS®/U.S. Patents
347: JAPIO - Patent Abstracts of Japan
348: European Patents Fulltext
349: WIPO/PCT Patents Fulltext
351: Derwent World Patents Index®
355: Derwent Chemistry Resource
371: French Patents
399: CA SEARCH® - Chemical Abstracts® (1967- present)
652: U.S. Patents Fulltext (1971-1975)
654: U.S. Patents Fulltext (1976-present)

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