US PATENT SUBCLASS 96 / 387
.~.~ Perforated surface

Current as of: June, 1999
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96 /   HD   GAS SEPARATION: APPARATUS

380  DF  WITH SOUND DAMPING MEANS (I.E., NOISE ATTENUATION) {2}
384  DF  .~ Sound attenuating gas flow path {3}
387.~.~ Perforated surface

DEFINITION

Classification: 96/387

Perforated surface:

(under subclass 384) Apparatus having means for passage of the gaseous fluid mixture through holes in a wall along the

gaseous fluid mixture flow path in order to achieve silencing of the flow of the gaseous fluid mixture.