Treatment of metal surfaces, plastic surfaces, wooden surfaces or glass surfaces; Application of decorative and protective coatings to metal surfaces, plastic surfaces, glass surfaces or wooden surfaces by means of physical vapour deposition, vacuum deposition methods, chemical vapour deposition techniques or thermal plasma spraying techniques; Working and refining of metal; Application of wear-resistant coatings by using electrolytic processes or autocatalytic processes; Application of wear-...

Hardening of metals; hardening of metals, namely, surface hardening of stainless steel components, nickel-base alloys and chromium-cobalt-based alloys, in particular, hardening of components of austenitic stainless steels, martensitic stainless steels, duplex stainless steels, and precipitation hardened stainless steels and stellites

Treatment of metal surfaces, plastic surfaces, wooden surfaces or glass surfaces; Application of decorative and protective coatings to metal surfaces, plastic surfaces, glass surfaces or wooden surfaces by means of physical vapour deposition, vacuum deposition methods, chemical vapour deposition techniques or thermal plasma spraying techniques; Working and refining of metal; Application of wear-resistant coatings by using electrolytic processes or autocatalytic processes; Application of wear-...