Royal Milling Company. Nos. 5958, 6098-6102, in circuit court of appeals for 6th circuit, Royal Milling Co. et al. v. Federal Trade Commission; Tennessee Grain Company and Tennessee Milling Company et al. v. [same]; Nashville Roller Mills et al. v. [same]; Snell Milling Company et al. v. [same]; State Milling Company et al. v. [same]; Cherokee Mills et al. v. [same]; brief for Federal Trade Commission.