Cement-Convention Case. Belgian Cour de Cassation, June 8, 1967 (reported in Journal des Tribunaux, 1967, 459, with the conclusions of the Advocate General F. Dumon) - Common Market Law Review View Cement-Convention Case. Belgian Cour de Cassation, June 8, 1967 (reported in Journal des Tribunaux, 1967, 459, with the conclusions of the Advocate General F. Dumon) by - Common Market Law Review Cement-Convention Case. Belgian Cour de Cassation, June 8, 1967 (reported in Journal des Tribunaux, 1967, 459, with the conclusions of the Advocate General F. Dumon) 5 3 Common Market Law Review