1.
|
Geneva : World Intellectual Property Organization, 1993.
English | E 224:454(E) |
|
2.
|
[Singapore] : Springer Singapore, 2019.
|
3.
|
München, Germany : Heymann, 1989. 5e.
French | E 348G1329 OMPI.IPC(5) INDEX |
|
4.
|
Geneva, Switzerland : World Intellectual Property Organization, 2005. Eighth edition.
French | E 348G1329 WIPO.IPC(8) |
|