commiss decis januari author establish sollac usinor august thyssen hütte ag joint control marcok french german text authent ecsc commiss european commun regard treati establish european coal steel commun articl thereof regard high author decis lai implement articl treati regul constitut control undertak regard applic made sollac usinor januari august thyssen hütte ag februari obtain comment govern french republ feder republ germani société lorrain de laminag continu sa sollac pari union sidérurgiqu du nord de est de la franc sa usinor pari august thyssen hütte ag ath duisburg hamborn steel produc undertak mean articl exercis joint control mean decis steel produc undertak société lorrain méridional de laminag continu sa solmer pari solmer concentr mean articl undertak sollac usinor ath decemb sollac usinor ath hereinaft call quot member quot initial agreement coal produc undertak sa société marseillais de cokéfact marcok pari capit ff decemb ath acquir instanc hold capit marcok option increas hold probabl hold sollac usinor simultan reduc member entrust manag oper marcok coke plant solmer matter relat applic interpret agreement includ relat member marcok relat marcok solmer examin settl member meet solmer member meet reach decis agreement marcok jointli control member transact concentr marcok sollac usinor ath concentr member marcok set coke plant relat instal fo sur mer marcok provid metallurg coke suppli solmer marcok coke potenti estim metric ton coke commun product suppli solmer cost marcok legal separ constitut econom divis solmer suppli raw materi solmer pig iron product term consid normal iron steel compani commun marcok sell coke market suppli coke work member marcok buyer commun coke coke coal market character market interpenetr high import effect competit metric ton metallurg coke franc suppli french steel work coke oven purchas french collieri import member oblig purchas product sale coke incumb purpos proper oper joint compani joint product coke solmer affect action independ member secur coke suppli oj regard consider propos transact give parti power determin price control restrict product distribut hinder effect competit substanti part market coal steel evad rule competit institut treati establish artifici privileg posit involv substanti advantag access suppli market propos transact satisfi condit author set articl author adopt decis articl establish joint control sa société marseillais de cokéfact marcok société lorrain de laminag continu sa sollac union sidérurgiqu du nord de est de la franc sa usinor august thyssen hütte ag author articl decis address sollac pari usinor pari august thyssen hütte ag duisburg hamborn brussel januari commiss presid françoi xavier ortoli