1.
|
Basel : Helbing & Lichtenhahn, 1983- Third edition.
German | F 13 TRO.IM 1983-85 |
|
2.
|
[Place of publication not identified] : [publisher not identified], 1976.
Swiss german | N 742 TRO.V |
|
3.
|
[Place of publication not identified] : [publisher not identified], 1980.
German | K 9414 DE 29 |
|
4.
|
[Place of publication not identified] : [publisher not identified], 1970.
German | 28 CH |
|
5.
|
[Place of publication not identified] : [publisher not identified], 1980.
German | 28 CH |
|
6.
|
Geneva [Switzerland] : International Bureau for the Protection of Industrial Property, 1964.
English | 10B OMPI |
|
7.
|
Courbevoie [France] : Institut National de la Propriété Industrielle, 1964.
Italian | 10A OMPI |
|
8.
|
Geneva [Switzerland] : International Bureau for the Protection of Industrial Property, 1962.
English | 10B OMPI |
|
9.
|
Courbevoie [France] : Institut National de la Propriété Industrielle, 1962.
French | 10A OMPI |
|
10.
|
[Paris, France] : [UNESCO], 1960.
French | 6A OMPI |
|