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Coal Mining Bits; Coal Mining cutters, Coal Cutters, Coal Picks Physical Description: Steel Body, made by material 40Cr or 42CrMo, heat treatment with 40-44HRC hardness, has high toughness and wearable character. Tip is made from Low press Sintered, and |
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Coal Mining Bits Physical Description: Steel Body, made by material 40Cr or 42CrMo, heat treatment with 40-44HRC hardness, has high toughness and wearabl |
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Coal Mining Bits Physical Description: steel Body, Made By Material 40cr Or 42crmo, Heat Treatment With 40-44hrc Hardness, Has High Toughness And Wearable Character. Tip Is Made Fro |
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