… of precious metals, of rare-earth metals, of radioactive elements or of isotopes …
Explanatory notes
… of precious metals, of rare-earth metals, of radioactive elements or of isotopes Notes. 1.- Except where the … cyanogen, cyanogen halides and cyanamide and its metal derivatives (heading 28.53) other than calcium cyanamide, …Legal note
… cyanogen, cyanogen halides and cyanamide and its metal derivatives (heading 28.53) other than calcium cyanamide, whether …