Improvements in or relating to screw extrusion presses
US2790202A
Method and apparatus for manufacturing pencils
GB704063A
Improvements in or relating to the manufacture of writing means
GB686981A
Improvements in or relating to the production of shaped articles from thermosetting and thermoplastic synthetic resins and material compounded with these synthetic resins in screw presses
GB688021A
Improvements in or relating to methods for manufacturing hollow and solid articles from thermoplastic materials
GB678367A
A method for the manufacture of coated rollers and cylinders, in particular for textile and typographical industries
