(1994). International classification of goods and services: For the purposes of the registration of marks (6th ed.). WIPO.
Styl ChicagoInternational Classification of Goods and Services: For the Purposes of the Registration of Marks. 6th ed. Geneva: WIPO, 1994.
Citace podle MLAInternational Classification of Goods and Services: For the Purposes of the Registration of Marks. 6th ed. WIPO, 1994.
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