C23C 28/027

Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups [CPC: C23C2/00] - [CPC: C23C26/00] or by combinations of methods provided for in subclasses [CPC: C23C] and [CPC: C25C] or [CPC: C25D] only coatings {only including layers} of metallic material {including at least one metal matrix material comprising a mixture of at least two metals or metal phases or metal matrix composites, e.g. metal matrix with embedded inorganic hard particles, CERMET, MMC.}