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45#号模具钢SKD11H13CR12movS136DC53718P202083NK80圆棒
cr12movs136skd11 dc53圆棒h13 精圆钢718模具 4cr13hm2钢板光板
cr12movs136圆钢光板 h13m2718 圆棒 skd11模具钢板 精4cr13hdc53
特料钢板cr12movs136h块h13圆棒精圆钢淬火模具钢dc53光板东skd11
P20模具钢材CR12movS136DC53 4CR13 718H T10H13 D2 圆棒精光钢板
P20模具钢材CR12movS136DC53 4CR13 718H T10 H13 D2圆棒精光钢板
P20模具钢材CR12movS136DC53 P40 SKD61 718H H13 D2 M2精光钢板
进口模具钢DC53H134Cr13圆钢SKD11钢板Cr12MoVS136圆棒
模具钢材45#圆钢钢板油钢H13P20cr12movS136DC53440C光板精