US PATENT SUBCLASS 432 / 183
.~.~ For annular article (e.g., wheel rim, etc.)

Current as of: June, 1999
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432 /   HD   HEATING

120  DF  WORK CHAMBER HAVING HEATING MEANS {12}
159  DF  .~ Combustion products heat work by contact {19}
183.~.~ For annular article (e.g., wheel rim, etc.)

DEFINITION

Classification: 432/183

(under subclass 159) Apparatus in which the work chamber conforms in shape to an annular article and also has article conforming product supply or distribution structure.