The application in the United Kingdom of a trade mark to goods to be exported from the United Kingdom, and any other act done in the United Kingdom in relation to goods to be so exported which, if done in relation to goods to be sold or otherwise traded in within the United Kingdom, would constitute use of a trade mark therein, shall be deemed to constitute use of the trade mark in relation to those goods for any purpose for which such use is material under this Act or at common law.