68 INDUSTRIE | MT 6821 industrie mécanique | BT1 industrie mécanique | RT avion [4826] | industrie de pointe [6806] | nouvelle technologie [6411] | transport aérien [4826]
68 INDUSTRY | MT 6821 mechanical engineering | BT1 mechanical engineering | RT advanced technology industry [6806] | aircraft [4826] | air transport [4826] | new technology [6411]