Decisions. American Shipbuilding Company. In matter of American Shipbuilding Company and A—following-named labor unions affiliated with American Federation of Labor, International Brotherhood of Boilermakers, Iron Ship Builders and Helpers of America [et al.] and B—following-named labor union affiliated with Congress of Industrial Organizations, Industrial Union of Marine and Shipbuilding Workers of America, case no. RE-29, decided Oct. 6, 1941; decision and certification of representatives.