US PATENT SUBCLASS 432 / 260
.~ For annular work (e.g., coil separator, etc.)
Current as of:
June, 1999
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432 /
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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.