ข้อมูลSolid state diffusion of only non-metal elements into metallic material surfaces (diffusion of silicon C23C0010000000); Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals (C23C0014000000 takes precedence);;

เวอร์ชั่นข้อมูล

เวอร์ชั่น รหัส / code คำอธิบาย / code name เครื่องมือ
1 C23C0008000000 Solid state diffusion of only non-metal elements into metallic material surfaces (diffusion of silicon C23C0010000000); Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals (C23C0014000000 takes precedence);; 29/09/2562