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© May 2005 Lorentz JÄNTSCHI && Sorana Daniela BOLBOACĂ

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 D01 Inorganic Chemicals D007287 +
  D01.029 Acids D000143 +
   D01.029.260 Acids, Noncarboxylic D000148 +
    D01.029.260.550 Nitric Acid D017942 


 D01 Inorganic Chemicals D007287 +
  D01.625 Nitrogen Compounds D017672 +
   D01.625.525 Nitric Acid D017942 
     D01.625.525.550 Nitrates D009566