(under the class definition) Apparatus comprising a plurality of unitary, separate and discrete assemblies connected by distinct flow means; each of said assemblies being (1) a conduit with distinct heat transfer structure, (2) a tube coil, (3) a group of assembled side by side tubes or (4) one casing-conduit unit.
SEE OR SEARCH THIS CLASS, SUBCLASS:
143, for interconnected plural casing-conduit units.
