1.
Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1990.
German | 28 DE | Available |
2.
3.
Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1990.
Danish | 28 DE | Available |
4.
Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1980.
German | 28 DE | Available |
5.
Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1976.
German | 28 DE | Available |
6.
Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1976.
German | 28 DE | Available |