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30th Annual PTDL Training Seminar
Patent and Trademark Depository Library Program (U.S.). Training Seminar
其他書名
March 18-23, 2007 : Presentations
出版
Patent and Trademark Depository Library Program, U.S. Patent and Trademark Office
, 2002
URL
http://books.google.com.hk/books?id=_5AsMwEACAAJ&hl=&source=gbs_api