1.
Courbevoie [France] : Institut National de la Propriété Industrielle, 1975.
Italian | 10A OMPI | Available |
2.
3.
Courbevoie [France] : Institut National de la Propriété Industrielle, 1976.
Italian | 10A OMPI | Available |
4.
Geneva [Switzerland] : International Bureau for the Protection of Industrial Property, 1976.
German | 10B OMPI | Available |
5.
[Place of publication not identified] : [publisher not identified], 1982.
Italian | 20 IT | Available |
6.
Geneva [Switzerland] : International Bureau for the Protection of Industrial Property, 1975.
German | 10B OMPI | Available |