Records of the Vienna diplomatic conference on the international classification of the figurative elements of marks : 1973. Geneva: WIPO Publ., 1980 371 p. 92-805-0026-0.
Records of the Vienna diplomatic conference on the international classification of the figurative elements of marks : 1973. Geneva: WIPO Publ., 1980 371 p. 92-805-0026-0.
(1980) Records of the Vienna diplomatic conference on the international classification of the figurative elements of marks : 1973, Geneva: WIPO Publ. 371 p. 92-805-0026-0.
(1980). Records of the Vienna diplomatic conference on the international classification of the figurative elements of marks : 1973. Geneva: WIPO Publ., 371 p.
Records of the Vienna diplomatic conference on the international classification of the figurative elements of marks : 1973. Geneva: WIPO Publ.; 1980. p. 371 p. ISBN: 92-805-0026-0.