commiss decis june conclus implement agreement european atom energi commun repres commiss european commun atom energi canada limit design implement agent govern canada involv canada european atom energi commun contribut engin design activ eda intern thermonuclear experiment reactor iter commiss behalf commun euratom commiss european commun regard treati establish european atom energi commun articl thereof memorandum understand cooper european atom energi commun govern canada field control nuclear fusion conclud juli agreement european atom energi commun govern japan govern russian feder govern unit state america cooper engin design activ intern thermonuclear experiment reactor iter conclud juli decid articl implement agreement european atom energi commun repres commiss european commun atom energi canada limit design implement agent govern canada involv canada european atom energi commun contribut engin design activ eda intern thermonuclear experiment reactor iter conclud behalf commun text implement agreement append decis articl member commiss respons scienc research develop design repres author sign implement agreement purpos bind european atom energi commun brussel june commiss jacqu santer presid page offici journal oj