(1994). Locarno agreement establishing an international classification for industrial design signed at London on October 8, 1968. WIPO.
Styl ChicagoLocarno Agreement Establishing an International Classification for Industrial Design Signed at London on October 8, 1968. Geneva: WIPO, 1994.
Citace podle MLALocarno Agreement Establishing an International Classification for Industrial Design Signed at London on October 8, 1968. WIPO, 1994.
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