ข้อมูลสัญลักษณ์จำแนกการออกแบบผลิตภัณฑ์ระหว่างประเทศ


รหัส / code คำอธิบาย / code name Version
C23C0010100000 Chromising 1
C23C0010120000 of ferrous surfaces 1
C23C0010140000 more than one element being diffused in one step 1
C23C0010160000 more than one element being diffused in more than one step 1
C23C0010180000 using liquids, e.g. salt baths, liquid suspensions 1
C23C0010200000 only one element being diffused 1
C23C0010220000 Metal melt containing the element to be diffused 1
C23C0010240000 Salt bath containing the element to be diffused 1
C23C0010260000 more than one element being diffused 1
C23C0010280000 using solids, e.g. powders, pastes 1
C23C0010300000 using a layer of powder or paste on the surface (using liquid suspensions of solids C23C0010180000) 1
C23C0010320000 Chromising 1
C23C0010340000 Embedding in a powder mixture, i.e. pack cementation 1
C23C0010360000 only one element being diffused 1
C23C0010380000 Chromising 1