怎样检索中外专利信息

Main Authors: 江镇华 (江镇华主编)
Group Author: 杨祖国 (撰稿); 丛玲 (撰稿); 杨肇斌 (撰稿)
Published: 知识产权出版社
Publication Dates: 2001
Call Number: G252.7/3182