64 PRODUCTION, TECHNOLOGY AND RESEARCH | MT 6411 technology and technical regulations | BT1 technology assessment | BT2 technology | RT Joint Research Centre [1006] | scientific progress [6416]
64 PRODUCTION, TECHNOLOGIE ET RECHERCHE | MT 6411 technologie et réglementation technique | BT1 évaluation technologique | BT2 technologie | RT Centre commun de recherche [1006] | progrès scientifique [6416]