Return to Abstracts of Patents Return to Abstracts of Patents 500-749 Patent Abstracts686. ------. [FISCHER, F., AND PICHLER, H.] (Studien- unde Verwertings-g. m. b. H.). [Production of Hydrocarbons From Carbon Monoxide and Hydrogen.] Hungarian Patent 123,067, no date. See German Patent Appl. St 56,470 and St. 56,856 (abs. 684 and 680). |