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US3430475A
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Roller die bending machine for finishing longitudinal tubular edges including guiding means projecting into a gap therebetween
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GB1148930A
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Improved roller die bending machine
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DE1527768A1
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Post bending machine for sheet metal pipe sections
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US3436518A
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Apparatus for automatic welding of sheet metal shells,especially cistern shells
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US3159129A
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Beam-welding machine
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GB960397A
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Improvements in or relating to beam-welding machines
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FR1340584A
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Pipe welding machine
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US3182171A
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Tube welding machine
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DE1232095B
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Device on a longitudinal seam pipe welding plant to control the slot position
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US3199174A
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Method of eliminating buckling deformation of beams
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GB976250A
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Improved metal beam of i-section
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US3181762A
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Guide device for tubes during welding operation
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FR1277529A
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Guiding device for tubes during welding
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CA743192A
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Tube welding machine
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CA826407A
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Apparatus for automatic welding of large storage tanks
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CA744522A
|
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Method of eliminating buckling deformation of beams in welding
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CA698947A
|
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Guide device for tubes during welding operation
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CA715293A
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Beam-welding machine
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