@article{13776,
      recid = {13776},
      title = {International patent classification.},
      pages = {168 pages ;},
      note = {ToC Volume 1 Sections A & B Section A: Human Necessities  Section B: Performing Operations; Transporting Volume 2  Sections C & D Section C: Chemistry; Metallurgy Section D:  Textiles; Papers Volume 3 Sections E & F Section E: Fixed  constructions Section F: Mechanical Engineering; Lighting;  Heating; Weapons; Blasting Volume 4 Sections G and H  Section G: Physics Section H: Electricity Volume 5 Guide to  the IPC.},
      abstract = {Provides for a common classification for patents for  invention including published patent applications,  inventors' certificates, utility models and utility  certificates. This edition (the eighth) enters into the  force on January 1, 2006.},
      url = {http://tind.wipo.int/record/13776},
}