@article{28693,
      url = {http://tind.wipo.int/record/28693},
      title = {Strasbourg Agreement Concerning the International Patent  Classification.},
      abstract = {The Agreement establishes the International Patent  Classification (IPC) which divides technology into eight  sections with approximately 70,000 subdivisions.},
      doi = {https://doi.org/10.34667/tind.28693},
      recid = {28693},
      pages = {20 pages ;},
}