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Return to Abstracts of Patents Return to Abstracts of Patents 1250-1499 Patent Abstracts1342. ------. [I. G. FARBENINDUSTRIE, A. G.] [Methanol Synthesis.] French Patent 612,505. Mar. 9, 1926. Chem. Zentralb., 1928. I. p. 584. See British Patent 275,284 (abs. 1127). |