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Return to Abstracts of Patents Return to Abstracts of Patents 250-499 Patent Abstracts269. ------. [BRUTZKUS, M.] [Producing Fuel for Internal-Combustion Engines From Water Gas.] German Patent 520,222, Feb. 21, 1925. Chem. Abs., vol. 25, 1931, p. 2836. See British Patent 252,786 (abs. 268) and United States Patent 1,832,762 (abs. 270). |