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Through weld for aluminum or aluminum alloy base metals by using high-density energy beams App 20040084425 - Yahaba, Takanori ;   et al. | 2004-05-06 |
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Method and apparatus for composite YAG laser/arc welding App 20030136768 - Sonoda, Hirofumi ;   et al. | 2003-07-24 |
Method and apparatus for twin spots pulse laser welding App 20030121895 - Sonoda, Hirofumi ;   et al. | 2003-07-03 |
Process for producing a zinc-plated steel sheet with an ageing resistance by hot dip-type, continuous zinc plating Grant 4,960,158 - Yamada , et al. October 2, 1 | 1990-10-02 |