68 INDUSTRY | MT 6821 mechanical engineering | BT1 mechanical engineering | RT advanced technology industry [6806] | aerodynamics [3606] | industrial research [6416] | militarisation of space [0816] | new technology [6411] | satellite [4826]
68 INDUSTRIE | MT 6821 industrie mécanique | BT1 industrie mécanique | RT aérodynamique [3606] | industrie de pointe [6806] | militarisation de l'espace [0816] | nouvelle technologie [6411] | politique spatiale [6416] | recherche industrielle