1.
|
[Paris, France] : [UNESCO], 1975.
French | 6A OMPI |
|
2.
|
[Paris, France] : [UNESCO], 1983.
French | 6A OMPI |
|
3.
|
[Paris, France] : [UNESCO], 1979.
French | N 40(412) OMPI 6A |
|
4.
|
[Paris, France] : [UNESCO], 1977.
French | 10A OMPI |
|
5.
|
München [Germany] : Mitteilungen der deutschen Patentanwälte, 1977.
German | 43 DE |
|