1965. ------. [KRUPP, F., A.-G.] [Heat-Exchanger Construction.] German Patent Appl. K 163,252, no date (Cl. 12 o-1.08). Auszüge deut. Patent-Anmeldungen, vol. 6, p. 256. Addition to German Patent 741,280 (abs. 66).

PATENTS

1965. ------. [KRUPP, F., A.-G.] [Heat-Exchanger Construction.] German Patent Appl. K 163,252, no date (Cl. 12 o-1.08). Auszüge deut. Patent-Anmeldungen, vol. 6, p. 256. Addition to German Patent 741,280 (abs. 66).