从WPI/DERWENTAN如何知晓相应的专利号信息?
有如下信息,如何知晓相应的专利号信息?谢谢!衬底领域重要专利 WPI/DERWENTAN
AN - 2003-471316
AN - 2003-058242
AN - 2002-668694
AN - 2002-652100
AN - 2002-331789
AN - 2002-239745
AN - 2002-089759
AN - 2001-259683
AN - 2000-064719
AN - 2000-055564
AN - 1999-363504
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