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45号钢板模具钢材S136 DC53圆棒p20光板H13精板cr12mov淬火料40cr
模具钢 42crmo 40Cr Gcr15 DC53圆棒45号钢板 20crmnti Cr12mov
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SKD11/H13/DC53圆棒D2/LD/S7/A2模具钢板NAK80/S136/P20H/Cr12MoV
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模具钢DC53圆棒SKD11 NAK80 SKD61 S136H CR12 SKH-9853951-64D6
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光板精板A3 45号#钢板 P20 DC53圆棒 CR12MOV模具钢材 H13 D2圆钢
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高寿命耐磨DC53模具钢/DC53冷作模具钢/DC53圆棒/DC53光圆/DC53板
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50mm10钢 36元直径 33 .-光.圆圆钢棒冷拉模具钢dc53圆棒实心.3