DIFF Subgroup
C12H 1/07 Separation by filtration
Introduced: January 1995
Full Title
Pasteurisation, sterilisation, preservation, purification, clarification, or ageing of alcoholic beverages > combined with removal of precipitate or added materials, e.g. adsorption material > Precipitation by physical means, e.g. by irradiation, vibrations > Separation by filtration
Of 1 combined children, 0 exist in both systems.
1 codes exist only in IPC.
IPC defines codes here since 1995.