U.S. federal trademark · Serial No. 79206623 · Reg. No. 5440448
Measuring apparatus for measuring the properties and features, namely the hydrophoby, porosity , dimension stability and mineral filler content of paper and board, the softness, compressibility and stiffness of tissue paper and textile products, the charge and zeta potential of pulp suspension, the drainage and retention of fiber suspensions, and parts therefor
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