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*Taizo Kobashi
Shinko Welding Service Co., Ltd.
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Tetsuo Suga
Shinko Welding Service Co., Ltd.
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Yasuo Murai
Tosei Electrobeam Co., Ltd
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Kunika Ueno
Tosei Electrobeam Co., Ltd
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Minoru Shindo
Tosei Electrobeam Co., Ltd
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Katsunori Kanno
Tosei Electrobeam Co., Ltd
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Kazuhiro Nakata
Osaka University