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AU6077190A
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Device for elongating and equalizing round hollow blanks for the manufacture of seamless tubes
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AU5658790A
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Drilling roller/press for producing round, hollow bodies
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ES214407A1
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A device for reducing hot metal rough parts, opened by both extremes (Machine-translation by Google Translate, not legally binding)
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ES207123A1
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A device for the manufacture of tubes without welding (Machine-translation by Google Translate, not legally binding)
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GB696458A
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Feed device for pilgrim rolling mills
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GB640350A
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Improved process for the manufacture of conical tubes and apparatus for carrying outthe process
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