Hans Friedrich

Pressure screening apparatus for screening a paper stock suspension and screen clearer for such a screening apparatus

Process for separating specified materials from an aqueous fibrous material suspension

Apparatus for screening a fibrous suspension

Fibre suspension cleaning assembly

Drucksortierer zum Sieben einer Faserstoffsuspension Pressure screen for screening a fiber suspension

A process for the separation of components from a fibrous suspension

Verfahren zur Abscheidung von Anteilen aus einer Faserstoffsuspension A process for the separation of components from a fiber material suspension

Pressure screen for fibre suspensions and a cleaning rotor for such a screen

Drucksortierer zum Sieben einer Papierfaserstoffsuspension und Siebräumer für einen solchen Pressure screen for screening a paper pulp suspension and Siebräumer for such a

Pressure screens for screening a paper pulp suspension and Siebräumer for such