1.
Geneva, Switzerland : World Intellectual Property Organization, 1970.
Danish | E 224:394 |
2.
[Place of publication not identified] : [publisher not identified], 1980-
Fourth edition.
German | T 80 MUEL.G(4) |
3.
Buffalo, New York : The Patent and Trademark Office Society, 1986.
English | 47 US |
4.
[Place of publication not identified] : [publisher not identified], 1984.
English | 37 CH |
5.
6.
[Place of publication not identified] : [publisher not identified], 1973.
French | 1 LICCD |
7.
8.
[Place of publication not identified] : [publisher not identified], 1986.
English | 37 CH |
9.
[Hong Kong, China] : [China Patents & Trademarks Publications], 1991.
English | 7 CN |
10.
[Place of publication not identified] : [publisher not identified], 1987.
English | 37 CH |