1.
Geneva [Switzerland] : International Bureau for the Protection of Industrial Property, 1976.
English | 10B OMPI |
2.
Courbevoie [France] : Institut National de la Propriété Industrielle, 1976.
French | 10A OMPI |
3.
Courbevoie [France] : Institut National de la Propriété Industrielle, 1987.
French | 10A OMPI |
4.
5.
Geneva [Switzerland] : International Bureau for the Protection of Industrial Property, 1987.
English | 10B OMPI |
6.
Geneva [Switzerland] : International Bureau for the Protection of Industrial Property, 1975.
English | 10B OMPI |