Opinion of Mr Advocate General Mischo delivered on 21 June 1988

1 Translated from the French.

2 Case 40/70 Sirena v Eda [1971] ECR 69, paragraph 16; Case 78/70 Deutsche Grammophon v Metro [1971] ECR 487, paragraph 16.

3 Judgment of 9 July 1985 in Case 19/84 [1985] ECR 2281 at p. 2298.

4 Judgment of 23 May 1978 in Case 102/77 [1978] ECR 1139, at p. 1168.