905. GUTHARDT, K. (F. Krupp Germaniawerft A. G.). [Heat Exchanger for Exothermal Catalytic Gas Reactions.] German Patent 692,836. May 30, 1940 (Cl. 12 g-4.02). Chem. Abs., vol. 35. 1941. p. 4252. Gives structural details.

Patent Abstracts

905. GUTHARDT, K. (F. Krupp Germaniawerft A. G.). [Heat Exchanger for Exothermal Catalytic Gas Reactions.] German Patent 692,836. May 30, 1940 (Cl. 12 g-4.02). Chem. Abs., vol. 35. 1941. p. 4252. Gives structural details.