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Notes on Becoming a Patent and Trademark Depository Library

Patent and Trademark Depository Library Program (U.S.)

出版	U.S. Department of Commerce, Patent and Trademark Office, Patent and Trademark Depository Library Program, 1999
URL	http://books.google.com.hk/books?id=vLn_zgEACAAJ&hl=&source=gbs_api

註釋

Describes the program and its requirements.