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Return to Abstracts of Patents Return to Abstracts of Patents 500-749 Patent Abstracts685. ------. [FISCHER, F., AND PICHLER, H.] (Studien- und Verwertungs-G. m. b. H.). [Production of Hydrocarbon Monoxide and Hydrogen.] Hungarian Patent 122,138, no date. See German Patent Appl. St 56,470 and St 56,856 (abs. 684 and 680). |