Explanatory notes
… carbides (metal carbides sintered with a metal), of Section XV; or (h) Optical elements, for example, of the … precious metals or of the base metals of Sections XIV and XV), whether or not mixed together; (c) Compounds, … metals, including alloys of such metals, of Section XIV or XV . Certain other separate elements or separate chemically …Legal note
… carbides (metal carbides sintered with a metal), of Section XV; or (h) Optical elements, for example, of the … precious metals or of the base metals of Sections XIV and XV), whether or not mixed together; (c) Compounds, …