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  "abstract": "A resistance spot welding device for vehicle assembly includes a welding gun having an upper electrode and a lower electrode mounted thereon, the upper electrode and the lower electrode facing each other, an adjustment jig for adjusting straightness between the upper electrode and the lower electrode, an image capturing apparatus mounted on the welding gun for photographing a welding surface, teaching blocks respectively mounted on a plurality of welding points formed on the welding surface, and a controller for calculating, through image information on each of the teaching blocks received from the image capturing apparatus, a rotation amount and a movement amount of the welding gun, and to perform a control operation to correct a welding position of the welding gun based on the calculated rotation amount and movement amount.",
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  "title": "Resistance spot welding device and method for vehicle assembly",
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