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AU5282399A
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Trolley for a machine capable of operating with precision on a workpiece, particularly for a pipeline welding machine
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AU4910899A
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Mobile device for automatic pipe welding
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WO9830353A1
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Simplified command and control device for a coupling-welding machine for metal pipes in which the machine is inserted
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AU5753398A
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Simplified command and control device for a coupling-welding machine for metal pipes in which the machine is inserted
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CA2245655A1
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Simplified command and control device for a coupling-welding machine for metal pipes in which the machine is inserted
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AU6739996A
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A device for internally welding pipes, comprising proximity sensors of signal emission type
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AU6788496A
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Device for internally butt-welding pipes
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