| http://www.w3.org/ns/prov#value | - The present invention is particularly concerned with the nature of the simplified support of the helical screw rotors such as rotor 30 and the take up of the radial and axial forces acting on the rotors, their support shafts and the drive motor rotor 34, in the case of the helical screw rotor 30 since it is mounted to shaft 80, common with the helical screw rotor 30.
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