1.
Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1992.
German | G 74 DE 28 |
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), 1988.
German | 28 DE |
4.
München [Germany] : Mitteilungen der deutschen Patentanwälte, 1982.
German | 43 DE |
5.
Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1973.
German | 28 DE |
6.
München [Germany] : Mitteilungen der deutschen Patentanwälte, 1984.
German | 43 DE |