1.
Courbevoie [France] : Institut National de la Propriété Industrielle, 1899.
French | 10A OMPI |
2.
Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1991.
German | 28 DE |
3.
Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1996.
English | 29 DE |
4.
5.
Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1974.
German | 28 DE |