B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
B01J 19/20 (2006.01) B01F 7/08 (2006.01) B29C 47/50 (2006.01)
Patent
CA 2127498
This invention relates to improvements in or relating to apparatus for the physico-chemical treatment of sub- stances in the solid, liquid or gaseous state, wherein it comprises two screws of which at least one is provided with means adapted to generate, in operation, an additional free space allowing the introduction and extraction of gases during treatment.
Macrae & Co.
Societe D'etudes Pierre Poncet - S.e.p.p.
U-Plus Umweltservice Ag
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