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Intelligent rolling mill
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Rolling mill
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Heat-insulating light-penetrating device
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Sealing device for diameter gauge
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Cleaning device for diameter measuring instrument
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Light source reflector
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Cooling device for diameter measuring instrument
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Telecentric imaging lens used in calliper
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Guide and guard of wire and rod
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Light source device of calliper
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Electric brush
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Guide of calliper
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Rolling guide and guard device
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