commiss decis ecsc decemb amend questionnair annex decis ecsc commiss european commun regard treati establish european coal steel commun articl thereof evolut iron steel industri requir continu adapt statist collect condit view improv survei method public commiss decis ecsc februari iron steel statist modif questionnair product finish roll product final product questionnair questionnair deliveri order iron steel industri questionnair measur aim view capac product statist collect gross data net data aim precis view market transact calcul visibl steel consumpt exclud doubl count incompat element adopt decis articl questionnair annex decis ecsc replac questionnair present annex statist data mention transmit commiss effect januari articl decis enter forc dai public offici journal european commun decis bind entireti directli applic member state brussel decemb commissionpet schmidhubermemb commiss oj