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JPH04200973A
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Check scarfing method
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JPH0466613A
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Apparatus and method for blowing oxygen
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JPH03275273A
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Automatic scarfing device for metallic material surface defective part
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JPS60108164A
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Cutting device for billet
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JPS6025644A
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Slag removal method and device thereof
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JPS59220284A
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Cutting method of slab
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JPS59130677A
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Scarfing method of steel material
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JPS5923810A
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Blowing device for oxygen steel making
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JPS58103961A
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Cutter for bar material
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JPS5893546A
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Removing method for stuck slag
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JPS583775A
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Gas cutter
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JPS57187170A
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Gas cutter for steel material
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JPS57184575A
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Scarfing device
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JPS57165172A
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Detector for starting position for cutting of material to be cut
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