in Part 3 means the Patents Act, 1952 (Act 37 of 1952), in Part 4 means the Designs Act, 1967 (Act 57 of 1967), in Part 5 means the Trade Marks Act, 1963 (Act 62 of 1963), and in Part 6 means the Copyright Act, 1965 (Act 63 of 1965), all as effective in Transkei, and 'Transkei Acts' means all those Acrts, collectively;