1.
Geneva [Switzerland] : International Bureau for the Protection of Industrial Property, 1977.
English | 10B OMPI |
2.
Wien [Austria] : MAN'Sche Verlags- und Universitätsbuchhandlung GmbH, 1973.
German | 6 AT |
3.
4.
Buffalo, New York : The Patent and Trademark Office Society, 1972.
English | 47 US |
5.
Buffalo, New York : The Patent and Trademark Office Society, 1972.
English | 47 US |
6.
München [Germany] : Mitteilungen der deutschen Patentanwälte, 1982.
German | 43 DE |
7.
München [Germany] : Mitteilungen der deutschen Patentanwälte, 1980.
German | 43 DE |