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Walter Petzold

  • Die Systeme Be(NO₃)₂-H₂O Mg(NO₃)₂-H₂O Zn(NO₃)₂-H₂O Cd(NO₃)₂-H₂ODie Systeme Be(NO₃)₂-H₂O Mg(NO₃)₂-H₂O Zn(NO₃)₂-H₂O Cd(NO₃)₂-H₂O