commiss decis septemb conclud protocol commerci econom cooper european coal steel commun canada ecsc commiss european commun regard treati establish european coal steel commun articl thereof protocol commerci econom cooper european coal steel commun canada sign brussel juli conclud behalf european coal steel commun decid articl protocol commerci econom cooper european coal steel commun canada conclud approv behalf commun text protocol annex decis articl presid commiss give commun notif provid articl protocol articl decis enter forc dai public offici journal european commun brussel septemb commiss christoph soam vice presid date entri forc protocol publish offici journal european commun