Changes made by Patents Etc. (Central African Republic, Chad, Laos, Upper Volta and Roumania) (Convention) 1963
S.I. 1963/1919
No changes made by Patents Etc. (Central African Republic, Chad, Laos, Upper Volta and Roumania) (Convention) 1963 are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.