1.
|
Cologne [Germany] : German Association for the Protection of Intellectual Property (GRUR), 1977.
German | 28 DE |
|
2.
|
Geneva [Switzerland] : International Bureau for the Protection of Industrial Property, 1990.
French | 10B OMPI |
|
3.
|
New York, New York : International Trademark Association, 1975.
English | 64 US |
|