US PATENT SUBCLASS 222 / 593
.~.~ Heating

Current as of: June, 1999
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222 /   HD   DISPENSING

591  DF  MOLTEN METAL DISPENSING {6}
592  DF  .~ With heating or cooling {1}
593.~.~ Heating

DEFINITION

Classification: 222/593

(under subclass 592) Apparatus wherein the heat exchange means includes a heating means.