| http://www.w3.org/ns/prov#value | - Note that, since the facility for manufacturing the filter 40 is the same as the facility 20 described in the first embodiment except for the forming mold 50, description thereof is omitted. [0063] First, while the spinning nozzle 24 is spinning the fibers F at a substantially constant rate, the conveyor 21 is driven at a constant speed so that the forming mold 50 passes under the spinning nozzle
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