1.
München [Germany] : Mitteilungen der deutschen Patentanwälte, 1972.
German | 43 DE |
2.
Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1973.
German | 28 DE |
3.
4.
Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1972.
German | 28 DE |
5.
Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1973.
German | 28 DE |