DIFF Subgroup
B01J 19/30 Loose or shaped packing elements, e.g. Raschig rings or Berl saddles, for pouring into the apparatus for mass or heat transfer
Introduced: January 1990
Full Title
Chemical, physical or physico-chemical processes in general; Their relevant apparatus > Loose or shaped packing elements, e.g. Raschig rings or Berl saddles, for pouring into the apparatus for mass or heat transfer
Of 1 combined children, 0 exist in both systems.
1 codes are CPC-only extensions.
Child Classifications
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