Return to Abstracts of Patents Return to Abstracts of Patents 750-999 Patent Abstracts938. HARTER, H. [Apparatus for Effecting Exothermic Catalytic Gas Reactions Under Pressure.] German Patent 589,014, Dec. 1, 1933; (Cl. 12k-3). Chem. Abs., vol. 28, 1934, p. 1226. See British Patent 325,028 (abs. 939). |