1.
Weinheim : Vch Verlagsgesellschaft, 1987.
German | G 412 OHL.P |
2.
3.
Buffalo, New York : The Patent and Trademark Office Society, 1974.
English | 47 US |
4.
5.
6.
7.
München [Germany] : Mitteilungen der deutschen Patentanwälte, 1977.
German | 43 DE |
8.
[Hong Kong, China] : [China Patents & Trademarks Publications], 1986.
English | 7 CN |
9.
Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1985.
German | 28 DE |
10.
München [Germany] : Mitteilungen der deutschen Patentanwälte, 1975.
German | 43 DE |