| http://www.w3.org/ns/prov#value | - A continuous production process for a water-absorbent resin powder according to claim 1, wherein the at least two hoppers are a buffering hopper for storing and discharging the water-absorbent resin powder and a constant-quantity-supplying hopper which is placed downstream of the buffering hopper and serves for quantifying and discharging the water-absorbent resin powder. 3.
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