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Product name:20MnCr5 gear steel
Product model:20MnCr5 gear steel
Product brand:Cutting Steel
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Product name:25MnCr5 gear steel
Product model:25MnCr5 gear steel
Product brand:Cutting Steel
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Product name:65 spring steel
Product model:65 spring steel
Product brand:Cutting Steel
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Product name:70 spring steel
Product model:70 spring steel
Product brand:Cutting Steel
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Product name:85 spring steel
Product model:85 spring steel
Product brand:Cutting Steel
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