Czechoslovak Chemical Workers' Union
... that the leftist Czechoslovak Chemical Workers' Union was expelled from the OSČ trade union centre in 1922?
... that the <a href="./Left-wing_politics" id="mwECw" rel="mw:WikiLink" title="Left-wing politics">leftist</a> <b id="mwEC0"><a href="./Chemical_Workers'_Union_(Czechoslovakia)" id="mwEC4" rel="mw:WikiLink" title="Chemical Workers' Union (Czechoslovakia)">Czechoslovak Chemical Workers' Union</a></b> was expelled from the <a class="mw-redirect" href="./Odborové_sdružení_československé" id="mwEC8" rel="mw:WikiLink" title="Odborové sdružení československé"><i id="mwEDA">OSČ</i> trade union centre</a> in 1922?