No. 445. April 25, 1940. Rehearing Denied May 21, 1940. Petition for Review of an Order of the National Labor Relations Board. Petition by the Kansas City Power Light Company against the National Labor Relations Board, to review an order by the National Labor Relations Board requiring petitioner to withdraw recognition from and to disestablish employees' association as bargaining agent, and to cease to desist from giving effect to contract, to reinstate employees, repay back wages, post notices and