APPLICATION OF PROTECTIVE COATINGS BY AUTOCATALYTIC PROCESSES; APPLICATION OF PROTECTIVE COATINGS BY ELECTROLYTIC PROCESSES; APPLICATION OF PROTECTIVE COATINGS TO ENGINEERING COMPONENTS; APPLICATION OF WEAR RESISTANT COATINGS BY AUTOCATALYTIC PROCESSES; APPLICATION OF WEAR RESISTANT COATINGS BY ELECTROLYTIC PROCESSES; APPLICATION OF WEAR RESISTANT COATINGS TO ENGINEERING COMPONENTS; COATING (TREATMENT) OF SURFACES; METAL COATING (NOT PAINTING); POWDER COATING; POWDER COATING OF METAL; PROCESS...