2772. RHEINMETALL-BORSIG, A. G. Werk Borsig Berlin-Tegel. Expansion Device, Particularly for Gases or Liquids Under High Pressure as Used in the Synthetic Production of Benzine and Ammonia. British Patent 484,369, May 4, 1938. Chem. Abs., vol. 32, 1938, p

PATENTS

2772. RHEINMETALL-BORSIG, A. G. Werk Borsig Berlin-Tegel. Expansion Device, Particularly for Gases or Liquids Under High Pressure as Used in the Synthetic Production of Benzine and Ammonia. British Patent 484,369, May 4, 1938. Chem. Abs., vol. 32, 1938, p. 7315.

RHENANIA-OSSAG MINERALÖLWERKE A.-G. See abs. 3992.