1.
[Place of publication not identified] : [publisher not identified], 1926.
English | 22 E | Available |
2.
[Place of publication not identified] : [publisher not identified], 1967.
English | E 222(121) ROL.C | Available |
3.
Geneva [Switzerland] : Birpi, 1965.
Finnish | E 231F13 BIRPI.C (F/E) | Available |
4.
[Place of publication not identified] : [publisher not identified], 1965.
German | 29 DE | Available |
5.
Courbevoie, France : Institut National de la Propriété Industrielle, 1966.
French | 10A OMPI | Available |
6.
Geneva, Switzerland : United International Bureaux for the Protection of Intellectual Property, 1966.
English | 6B OMPI | Available |
7.
Geneva, Switzerland : United International Bureaux for the Protection of Intellectual Property, 1964.
English | 10B OMPI | Available |
8.
9.
10.