Richfield Oil Corporation. In matter of Richfield Oil Co. of California and Sailors Union of the Pacific; in matter of Richfield Oil Corporation and Pacific Coast Marine Firemen, Oilers, Watertenders, & Wipers Association; in matter of Richfield Oil Co. of California and Marine Cooks & Stewards Association of the Pacific Coast; in matter of Richfield Oil Co. of California and Pacific Coast Marine Firemen, Oilers, Watertenders, & Wipers Association, cases nos. R-481, R-502, R-508, and R-514; certification of representatives, July 20, 1938.