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模具钢NAK80718H2738HXPM738H2311P201.2344现货光板精板
Cr12MoV1钢板NAK80718H模具钢3CR2W8V3cr2w8v30CrMnSiA圆棒5crni
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DC53H13CR12MOV模具钢SKD11P20S136H钢板NAK80718H440C圆棒
模具钢D2 9R18MO佐钿V 65CMN NAK80718圆棒马氏H体不锈钢4CR13钢