United States Patent 3127256
US Patent References:
/0700858.html
- - 0700858

/1222751.html
- - 1222751

Air filter
- - 1814428

Velvet type fabric and method of producing same
- - 2717437

Cloth discharge filter
- - 2812065


Publication Date:
03/31/1964
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Primary Class:
96/291
Other Classes:
55/354, 261/80, 210/401, 55/351, 210/391, 24/31V, 210/386
International Classes:
B01D46/18
US Patent References:
2881859Atmospheric lint condenser
2966960Air filter
Foreign References:
GB370748A
FR1013236A