| http://www.w3.org/ns/prov#value | - The web preferably also comprises aramid fibrid, which can improve the integrity of the sheet. [0013] The apparatus used for agitating the long aramid fibers in a foamed medium comprises agitating means mounted for displacement within a foamed medium and includes a leading surface facing in a direction of displacement, the leading surface including upper and lower portions converging in the direct
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