US PATENT SUBCLASS 55 / 526
.~.~ Wadded or compressed
Current as of:
June, 1999
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55 /
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GAS SEPARATION
522
DF
SPECIFIC MEDIA MATERIAL
{4}
525
DF
.~ Metal mesh or expanded material {1}
526
.~.~ Wadded or compressed
DEFINITION
Classification: 55/526
(under subclass 525) Apparatus in which the mesh or expanded sheet has been gathered or pressed together to a more compact and solid form.