2110. MANNESMANNRÖHREN-WERKE. [Catalyst Chamber.] Netherlands Patent 49,151, no date. Schmidt, J., Das Kohlenoxyd, Akad. Verlagsgesell., Leipzig, 1950, p. 162.

See British Patent 464,242 (abs. 2111), and French Patent 807,703 (abs. 2113).

------. See abs. 10, 1763, 3241.