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Return to Abstracts of Patents Return to Abstracts of Patents 750-999 Patent Abstracts845. GRENIER, R. J. A. [Catalytics for the Preparation of Hydrogen and Alcohol.] French Patent 634,747, May 20, 1927. Chem. Abs., vol. 22, 1928, p. 3965. See British Patent 271,523 (abs. 846). |