Nos. 246, 302, Docket 27254, 27313. Argued May 23, 1962. Decided July 30, 1962. Stephen B. Goldberg, National Labor Relations Board, Washington, D.C., (Stuart Rothman, General Counsel, Dominick L. Manoli, Associate General Counsel, Marcel Mallet-Prevost, Asst. General Counsel and Mary Louise Griffin, on the brief), for National Labor Relations Board. Charles R. Katz, New York City (Katz Wolchok, New York City, on the brief), for C.C.C. Associates, Inc., et al. James V. Altieri, New York City, for