1.
East Kilbride [Scotland] : Licensing Executives Society International, 1979.
English | 48 US |
2.
Courbevoie [France] : Institut National de la Propriété Industrielle, 1927.
French | 10A OMPI |
3.
Courbevoie [France] : Institut National de la Propriété Industrielle, 1959.
French | 10A OMPI |
4.
Geneva [Switzerland] : International Bureau for the Protection of Industrial Property, 1963.
English | 10B OMPI |