Lagauche and Others TITJUR Opinion of Mr Advocate General Lenz delivered on 11 July 1991. # Procureur du Roi v Jean-Marie Lagauche and others. # References for a preliminary ruling: Tribunal de première instance de Bruxelles - Belgium. # National type-approval for radiocommunications terminal equipment - Authorization for use - Articles 30 to 37 and 86 of the EEC Treaty - Commission Directive 88/301/EEC. # Joined cases C-46/90 and C-93/91.