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45号钢板精料P20光板40Cr精板H13模具钢cr12mov淬火料Q235精铣磨
45#号光板 H13 4Cr13圆棒 P20钢板DC53 S136模具钢材 Cr12MoV圆钢
模具钢材45号钢板skd11 dc53 h13 718精光板4cr13 p20圆钢cr12mov
45#号钢精料加工DC53 P20 S136 skd11 cr12mov模具钢材42CRMO钢板
45# p20模具钢材cr12mov H13 S136 DC53 4CR13 718h圆棒钢M2钢板
Gr12模具钢材 Cr12MoV圆棒光圆 直径板材直径5-400零切铬12钼1钒1
s136小圆棒圆钢模具钢
Cr12MoV模具钢材 H13 S136钢板 4Cr13 SKD11 D2圆棒 SKD61板材 料
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Cr12 Cr12MoV SKD11圆棒 SKD61 DC53 4Cr13 H13 P20圆钢 D2模具钢
cr12movdc53718h13p20模具钢加工
模具钢材45#钢板 Cr12MOV 45号圆钢 DC53 H13 718H P20 光板 精板
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模具钢材 光板精板 45#号 Cr12MoV D2 SKD11 DC53 P20 H13圆钢棒
模具钢材45号cr12mov模具钢skd11光板dc53毛料718h光40cr精p20H13
模具钢材45#号钢板CR12MOV圆钢SKD11圆棒DC53 S136 H13 P20材料D2
模具钢Gr12/Cr12MoV 4Cr13圆钢NAK80 P20圆棒H13板SKD61 718H板材
模具钢Cr12MoV薄板3-10mm SKD11薄板DC53薄板2-100mm冷热轧预硬料
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特钢薄板DC53 H13 440C Cr12mov SKD11薄板淬火料预硬料厚2-100mm
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模具钢材Cr12MoV 铬12钼钒 Gr12MoV圆钢 圆棒钢板直径8-300mm零切
CR12MOV模具钢材料 D2圆钢 S136光板 8566硬料 718精板45#钢锻件&
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45号模具钢材Cr12mov精光板DC53圆棒718H S136 4Cr13 H13 P20精磨
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洛Cr1 2铬Cr12MoV模具钢板材料DC53 SKD11 D2 LD模具圆钢圆棒光板
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P20H CR12MOV S136 H13 圆棒 SKD11 DC53 D2模具钢板45号钢精光板
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现货H13模具钢材45号钢板加工精板光板Cr12mov P20 DC53 4Cr13 N
