… Inorganic chemicals; organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes …
Explanatory notes
… Chapter 28 Inorganic chemicals; organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes Notes. 1.- Except where the context … of this Chapter apply only to : (a) Separate chemical elements and separate chemically defined compounds, …Legal note
… of this Chapter apply only to : (a) Separate chemical elements and separate chemically defined compounds, whether or not containing …