ดาวน์โหลด

ข้อมูลสัญลักษณ์จำแนกการออกแบบผลิตภัณฑ์ระหว่างประเทศ

รหัส / code คำอธิบาย / code name Version
C21C0005460000 Details or accessories 1
C21C0005480000 Bottoms or tuyères of converters 1
C21C0005500000 Tilting mechanisms for converters 1
C21C0005520000 Manufacture of steel in electric furnaces 1
C21C0005540000 Processes yielding slags of special composition 1
C21C0005560000 Manufacture of steel by other methods (making liquid steel by direct processes C21B0013000000) 1
C21C0007000000 Treating molten ferrous alloys, e.g. steel, not covered by groups C21C0001000000-C21C0005000000; (treating molten metals during moulding B22D0001000000, B22D0027000000) 1
C21C0007040000 Removing impurities by adding a treating agent 1
C21C0007060000 Deoxidising, e.g. killing 1
C21C0007064000 Dephosphorising; Desulfurising 1
C21C0007068000 Decarburising 1
C21C0007072000 Treatment with gases (C21C0007060000, C21C0007064000, C21C0007068000 take precedence);; 1
C21C0007076000 Use of slags or fluxes as treating agents (C21C0007060000, C21C0007064000, C21C0007068000 take precedence);; 1
C21C0007100000 Handling in vacuum 1
C21D MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING, OR OTHER TREATMENTS (cementation by diffusion processes C23C; surface treatment of metallic material involving at least one process provided for in class C23 and at least one process covered by this subclass C23F0017000000; unidirectional solidification of eutectic materials or unidirectional demixing of eutectoid materials C30B) 1
จำนวนรหัสข้อมูล 15 จาก 73902