Industrial Property : Monthly Review of the World Intellectual Property Organization (WIPO) and the United International Bureaux for the Protection of Intellectual Property (BIRPI) ; 11th year – No. 7, July 1972.
Industrial Property : Monthly Review of the World Intellectual Property Organization (WIPO) and the United International Bureaux for the Protection of Intellectual Property (BIRPI) ; 11th year – No. 7, July 1972.