Opinion of Mr advocate-general Roemer delivered on 1 April 1971

1 Translated from the German.

2 OJ L 74 of 3.4.1970.

3 OJ L 80 of 10.4.1970.

4 OJ L 84 of 16.4.1970.

5 OJ L 90 of 24.4.1970.

6 OJ L 96 of 30.4.1970.

7 OJ L 101 of 7.5.1970.

8 OJ L 105 of 15.5.1970.

9 OJ L 110 of 22.5.1970.

10 OJ L 116 of 29.5.1970.

11 OJ L 122 of 5.6.1970.

12 OJ L 135 of 20.6.1970.