Categories

CN2807

28 Inorganic Chemicals, Organic or Inorganic Compounds of Precious Metals, of Rare-earth Metals, of Radioactive Elements or of Isotopes

2807 (01/1988-..) Sulphuric Acid, Oleum

28070000 (01/2012-..) Sulphuric Acid, Oleum

28070010 (01/1988-12/2011) Sulphuric Acid

28070090 (01/1988-12/2011) Oleum