US PATENT SUBCLASS 55 / 363
.~ Toroidal or annular bag

Current as of: June, 1999
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55 /   HD   GAS SEPARATION

361  DF  FLEXIBLE OR COLLAPSIBLE BAG TYPE {14}
363.~ Toroidal or annular bag

DEFINITION

Classification: 55/363

(under subclass 361) Apparatus wherein the separating member in use position forms a tube axially directed along an arcuate or circular path (e.g. doughnut-like).