@article{24506,
      note = {Introduction Structure of the IPC The Strasbourg Agreement  of 1971 IPC Reform IPC Publications and Electronic Products  Use of the IPC for Classifying the Patent Documents of  various countries Use of the IPC for the Retrieval of  Patent documents Training in the use of IPC Annex.},
      url = {http://tind.wipo.int/record/24506},
      title = {International Patent Classification},
      abstract = {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.},
      doi = {https://doi.org/10.34667/tind.24506},
      recid = {24506},
      pages = {1 volume (various paging) ;},
}