Vincent Barbier -Cetim / France Martine Blum-欧洲认证 /法国Oriano Bottauscio- Inrim / Italy Kate Chernysheva -VSL /荷兰荷兰Jennifer jennifer jennifer jennifer jennifer jennifer npl / npl法国Sascha Eichstaedt -PTB /德国Jean -rémyFiltz -LNE /法国Eric Georgin -Cetetiat / France Pierre Gournay -Bipm / InternationalStéphaneGueu -Essilor -Essilor luxottica / France luxtance / France david francance france hennee jensient j henne J. E- Cofrac / France Hugo Lehmann- Metas /瑞士Pete LOFTUS - EVALU8TION / 英国 Wolfgang LUBCKE - ENDRESS & HAUSSER / 德国 Anne TRUMPFHELLER - EURAMET / 德国 David VASTY & Franck TARENA - TRESCAL / 法国