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Cr12Cr12MoVSKD11圆棒SKD61DC534Cr13H13P20圆钢D2模具钢
P20模具钢板Cr12MoVSKD11SKD61DC53H134Cr13S136NAK8045#
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P20718Cr12MoVSKD61H13 精光板加工模具钢材45# NAK80S136其他机
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