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X-42 HT200 鋼材
2017-04-08
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16CRNI4 BS600 工具鋼
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STAM 290DB 40G2 鋼材
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SB490 鋼材
2017-04-06
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45NCD16H 工具鋼
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1.0338 SS2172鋼材
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A439 D2C BS4659 BM2 模具鋼材
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30CR2NI2MO 工具鋼
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