73366877
May 27, 1982
Nov 29, 1983
Mechanically Driven Machines for Mixing, Dissolving, Homogenizing, Dispersing, Suspending, Supplying with Gas the Liquid to Highly Viscous Substances and Mechanically Driven Machines for Introducing, Dissolving and Mixing Powdery Substances in Liquid and Highly Viscous Media, and Parts Therefor
Machinery