US PATENT SUBCLASS 432 / 260
.~ For annular work (e.g., coil separator, etc.)


Current as of: June, 1999
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432 /   HD   HEATING

253  DF  ACCESSORY MEANS FOR HOLDING, SHIELDING OR SUPPORTING WORK WITHIN FURNACE {5}
260.~ For annular work (e.g., coil separator, etc.)


DEFINITION

Classification: 432/260

(under subclass 253) Apparatus relying on the central passage in an annular body for the positioning in of the body.