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模具钢材SKD61SKD11D2DC53S136H440C冷作Cr12MoV718板材圆钢棒H13
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五金模具钢圆棒DC53S136H硬料SKD11光板718H 40CR
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五金 P20模具钢45号钢板CR12MOV圆棒DC53S136H硬料SKD11光板718H
模具钢CR12SKD11H13DC53S136H进口SKD61LD圆钢9CR18MOV
DC53S136H铁板45号钢Cr12mov钢板2CR13SKD113CR13圆棒30CRMNSIA精
五金 P20模具钢45号钢板CR12MOV圆钢DC53S136H硬料SKD11光板718H
CR12MOV 圆钢板料加光板精料元园圆钢板模具钢材料4CR13DC53S136H
定制模具钢板Cr12MoV SKD11 DC53S136H13切割激光加工锈板不锈 钢