ข้อมูลChemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals (wash primers C09D0005120000)


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เวอร์ชั่น รหัส / code คำอธิบาย / code name เครื่องมือ
1 C23C0022000000 Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals (wash primers C09D0005120000) 29/09/2562