San Diego Marine Construction Company. In matter of Star & Crescent Oil Co., California corporation, doing business as San Diego Marine Construction Company, and International Association of Machinists, Local no. 389. Shipwrights, Boatbuilders and Caulkers, and International Brotherhood of Electrical Workers. Local no. 569, decision and certification of representatives, cases nos. R-252 [to] R-254, decided Oct. 25, 1937.