| http://www.w3.org/ns/prov#value | - Patent US6524439 - Using as flocculant both microparticle and siliceous material, such as silica - Google PatentsSearch Images Maps Play YouTube News Gmail Drive More ??Sign inAdvanced Patent SearchPatentsAccording to the present invention a process is provided for making paper or paper board comprising forming a cellulosic suspension, flocculating the suspension, draining the suspension on a scre
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