Locarno agreement establishing an international classification for industrial design signed at London on October 8, 1968

Eitemau Tebyg

• International classification for industrial designs under the Locarno agreement, 1968
  Cyhoeddwyd: (1994)
• Vienna agreement establishing an international classification of the figurative elements of marks, 1973
  Cyhoeddwyd: (1997)
• Design for industry(London)
  Cyhoeddwyd: (1959)
• Convention on road signs and signals of 1968 /
  Cyhoeddwyd: (2007)
• On signs
  gan: Blonsky, Marshall; Ed
  Cyhoeddwyd: (1985)