IPC: General Information (Chinese version)

作者: | 出版年份: 2003

This publication of the eighth edition (2006) constitutes the core level of the authentic English version of the Classification provided for in the Strasbourg Agreement Concerning the International Patent Classification (of 1971). The version of the Classification contained in this edition represents the result of the revision of the previous seventh edition and the reform of the Classification which was carried out, from 1999 to 2005, by the Committee of Experts set up under the said Agreement. The eighth edition (2006) entered into force on January 1, 2006.