US PATENT SUBCLASS 432 / 264
.~.~ Lined, layered or coated

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}
262  DF  .~ Crucible {3}
264.~.~ Lined, layered or coated

DEFINITION

Classification: 432/264

(under subclass 262) Apparatus in which the crucible has a coated or lined section or is made of layers of diverse

materials.