B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
183/37
B01D 27/06 (2006.01) B01D 17/02 (2006.01) B01D 29/21 (2006.01)
Patent
CA 1193556
FILTER DEVICE Abstract Of The Disclosure A filter device is provided with a multi-layer filter which includes a central highly absorbent layer which ex- pands in the presence of moisture and positioned between an outer layer of absorbent paper and an inner layer of fiber glass adjacent to an inner ply. The filter is long- itudinally pleated.
433690
Gowling Lafleur Henderson Llp
Hilliard Corporation (the)
LandOfFree
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