No. 52, Docket 21405. Argued November 9, 1949. Decided December 9, 1949. David P. Findling, Associate General Counsel; A. Norman Somers, Associate General Counsel; Frederick U. Reel and Thomas F. Maher, Washington, D.C., attorneys, for National Labor Relations Board, Petitioner; Frederick U. Reel, Washington, D.C., counsel. Friedman Friedman, New York City, Attorneys for Don Juan, Inc., and Don Juan Co., Inc., Respondents; Hyman R. Friedman, New York City, counsel. Arnold Cohen, New York City, attorney