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轴承保持器用碳素结构钢丝
Carbon structure steel wires for bearing cages
价格：￥0.00
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阀门用铬钒弹簧钢丝
Chromium-vanadium spring steel wire for valve
价格：￥0.00
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发条用高弹性合金3J9(2Cr19Ni9Mo)
High elastic alloy 3J9 for spring
价格：￥0.00
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链式葫芦起重圆环链用钢丝
Steel wire for link chains of chain hoists
价格：￥0.00
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电梯钢丝绳用钢丝
Steel wires for elevator ropes
价格：￥0.00
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电梯钢丝绳用钢丝
Steel wire for elevator ropes
价格：￥0.00
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