| 摘要 |
431,309. Gas washers. FRANCKE, W., Enzelterstrasse, Aarau, Switzerland. Nov. 13, 1934, No. 32693. Convention date, Nov. 13, 1933. Addition to 393,117. [Class 55 (ii)] Wet filters used for purifying gases as described in the parent Specification are composed of layers of small hollov bodies 25 located between sieves or netting 26, the thickness of a layer being for example 20 m.m. The bodies may be in the forn of double cores 30, 31 with variable thicknes of wall.
|
