Welding fixture used for steel pipe butt welding and steel pipe butt welding method
The invention provides a welding fixture used for steel pipe butt welding and a steel pipe butt welding method. The welding fixture comprises at least two pairs of supporting devices arranged side byside, each supporting device comprises a supporting frame, a worktable is arranged above each support...
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Format: | Patent |
Sprache: | chi ; eng |
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