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 iron steel statist modif questionnair questionnair deliveri order iron steel industri questionnair modif concern field coat sheet aim view market transact field grow import 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 commissionhen christophersenvic presid oj questionnair questionnair questionnair part questionnair part ii questionnair part questionnair part ii appendix correspond classif util consum industri gener industri nomenclatur econom activ european commun nace intern standard classif uno questionnair questionnair part questionnair part ii