Categories

CN2814

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

2814 (01/1988-..) Ammonia, Anhydrous or in Aqueous Solution

28141000 (01/1988-..) Anhydrous Ammonia

28142000 (01/1988-..) Ammonia in Aqueous Solution