| http://www.w3.org/ns/prov#value | - Fig. 1 is a central vertical section through a typical pulp bleaching reaction cell embodying my invention; Fig. 2 is a. transverse horizontal section through the reaction cell of Fig. l, taken along the line 2 2; and Fig. 3 is a perspective view of a fragment of the improved mixing rotor comprising a part of the installation of Figs, l and 2.
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