1.
London [England] : Trade Marks, Patents and Designs Federation, 1973.
English | 41 GB |
2.
Courbevoie [France] : Institut National de la Propriété Industrielle, [1990]
French | 10A OMPI |
3.
Tokyo [Japan] : International Association for the Protection of Intellectual Property (AIPPI), 1986.
English | 2 JP |
4.
East Kilbride [Scotland] : Licensing Executives Society International, 1980.
English | 48 US |