何佳功cr12mov圆棒CR12MOV光棒铬12钼钒光圆 抛光磨光棒直径5-500mm零切 光圆Φ5.3*2000=1支_对半切发

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接运猫Cr12MoV光圆直径6-300圆钢圆棒模具钢Cr12MoV铬12钼钒实心磨光棒 6.3*1250-2支

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恬霏定制40cr圆棒调质42crmo圆钢cr12mov光圆Gcr15轴承钢SKD114cr13熟 定制

仁聚益适用模具钢材45号钢板H13料光圆棒 Cr12mov dc53模具钢SKH9p20光N 45号#钢

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