(d)the use of a trade mark by a person in relation to goods adapted to form part of, or to be accessory to, other goods or services in relation to which the trade mark has been used without infringement of the right given by registration under this Act or might for the time being be so used, if the use of the trade mark is reasonably necessary in order to indicate that the goods or services are so adapted, and neither the purpose nor the effect of the use of the trade mark is to indicate, otherwise than in accordance with the fact, a connection in the course of trade between any person and the goods or services, as the case may be;