| http://www.w3.org/ns/prov#value | - eachings of my invention; Fig. 5 is a view, similar to Fig. 4. illustrating a gas-cleaning precipitator having two combined cooperating gas-cleaning means in a single gasconduit; Fig. 6 is a vertical sectional view of a gas-conduit including another form of my invention in which the gas flows vertically downward; and Fig, '7 is a vie-w similar to Fig. 6, illustratin a modified form thereof.
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